{"title":"DFB Back Ferrules","description":"","products":[{"product_id":"dfb-4-s","title":"DFB-4-S","description":"\u003cp\u003e\u003cstrong\u003eDFB-4-S\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel 316\/316L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/4 in or 6.4 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558301446454,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_ed44a6ff-7899-4e24-8440-76ae9190d6da.jpg?v=1712584687"},{"product_id":"dfb-1-s","title":"DFB-1-S","description":"\u003cp\u003e\u003cstrong\u003eDFB-1-S\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel 316\/316L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/16 in or 1.6 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558301380918,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_ff74e164-19cc-4e09-8fff-0ca83e532e98.jpg?v=1712584687"},{"product_id":"dfb-2-s","title":"DFB-2-S","description":"\u003cp\u003e\u003cstrong\u003eDFB-2-S\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel 316\/316L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/8 in or 3.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558301479222,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_add2409f-ccd8-40fb-abd8-94181e5bf984.jpg?v=1712584687"},{"product_id":"dfb-3-s","title":"DFB-3-S","description":"\u003cp\u003e\u003cstrong\u003eDFB-3-S\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel 316\/316L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 3\/16 in or 4.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558301544758,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_4e4f4cf9-10fd-4d91-b766-a3befcf98d3a.jpg?v=1712584687"},{"product_id":"dfb-6-s","title":"DFB-6-S","description":"\u003cp\u003e\u003cstrong\u003eDFB-6-S\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel 316\/316L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 3\/8 in or 9.5 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558301839670,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_6c320a87-00bc-4e2e-aad9-30e9458b5349.jpg?v=1712584691"},{"product_id":"dfb-5-s","title":"DFB-5-S","description":"\u003cp\u003e\u003cstrong\u003eDFB-5-S\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel 316\/316L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 5\/16 in or 7.9 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558301806902,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_c62da235-e753-40a7-a23c-dea8d8f3d02a.jpg?v=1712584691"},{"product_id":"dfb-10-s","title":"DFB-10-S","description":"\u003cp\u003e\u003cstrong\u003eDFB-10-S\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel 316\/316L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 5\/8 in or 15.9 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558301872438,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_ef7841b9-590b-4a2a-a1fd-821aa05311d5.jpg?v=1712584691"},{"product_id":"dfb-8-s","title":"DFB-8-S","description":"\u003cp\u003e\u003cstrong\u003eDFB-8-S\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel 316\/316L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/2 in or 12.7 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558301905206,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_2722c566-328e-45d0-a3d7-f451ddab7958.jpg?v=1712584692"},{"product_id":"dfb-12-s","title":"DFB-12-S","description":"\u003cp\u003e\u003cstrong\u003eDFB-12-S\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel 316\/316L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 3\/4 in or 19.1 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558302200118,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_afff9741-f164-4f41-adce-97a6b91b64b3.jpg?v=1712584695"},{"product_id":"dfb-14-s","title":"DFB-14-S","description":"\u003cp\u003e\u003cstrong\u003eDFB-14-S\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel 316\/316L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 7\/8 in or 22.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558302265654,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_891a3d8f-2b5f-4e8c-8fce-06da728c7f17.jpg?v=1712584696"},{"product_id":"dfb-16-s","title":"DFB-16-S","description":"\u003cp\u003e\u003cstrong\u003eDFB-16-S\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel 316\/316L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1 in or 25.4 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558302298422,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_d6bc0be4-69bd-4571-a4f9-d0e8cfc85061.jpg?v=1712584696"},{"product_id":"dfb-20-s","title":"DFB-20-S","description":"\u003cp\u003e\u003cstrong\u003eDFB-20-S\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel 316\/316L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1-1\/4 in or 31.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558302331190,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_b4dba3e4-471d-453b-8745-f6dd469d49a9.jpg?v=1712584696"},{"product_id":"dfb-32-s","title":"DFB-32-S","description":"\u003cp\u003e\u003cstrong\u003eDFB-32-S\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel 316\/316L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 2 in or 50.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558303281462,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_3022a003-23a6-428f-8d0a-958ce255c8fc.jpg?v=1712584700"},{"product_id":"dfb-24-s","title":"DFB-24-S","description":"\u003cp\u003e\u003cstrong\u003eDFB-24-S\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel 316\/316L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1-1\/2 in or 38.1 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558303346998,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_4d61ba58-5bb2-41ca-ae56-5e6ac49262dd.jpg?v=1712584700"},{"product_id":"dfb-1-b","title":"DFB-1-B","description":"\u003cp\u003e\u003cstrong\u003eDFB-1-B\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/16 in or 1.6 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558303379766,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_6d901802-6830-49da-a6b9-c7fdaa8790a7.jpg?v=1712584700"},{"product_id":"dfb-2-b","title":"DFB-2-B","description":"\u003cp\u003e\u003cstrong\u003eDFB-2-B\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/8 in or 3.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558303412534,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_bcf428b7-fcc9-4fb6-b2f5-07fc6c58fe6b.jpg?v=1712584700"},{"product_id":"dfb-10-b","title":"DFB-10-B","description":"\u003cp\u003e\u003cstrong\u003eDFB-10-B\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 5\/8 in or 15.9 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558304428342,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_cc150d8e-313c-4d14-9e60-c6cbcbc31920.jpg?v=1712584705"},{"product_id":"dfb-3-b","title":"DFB-3-B","description":"\u003cp\u003e\u003cstrong\u003eDFB-3-B\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 3\/16 in or 4.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558304461110,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_c0cdbb47-15a3-49b5-b531-98356da1a5c2.jpg?v=1712584704"},{"product_id":"dfb-5-b","title":"DFB-5-B","description":"\u003cp\u003e\u003cstrong\u003eDFB-5-B\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 5\/16 in or 7.9 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558304493878,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_e0937245-cc77-4fb3-9e89-98c88106c573.jpg?v=1712584705"},{"product_id":"dfb-14-b","title":"DFB-14-B","description":"\u003cp\u003e\u003cstrong\u003eDFB-14-B\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 7\/8 in or 22.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558304526646,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_97acbb37-fec7-42c3-85fd-b3f63542103e.jpg?v=1712584705"},{"product_id":"dfb-24-b","title":"DFB-24-B","description":"\u003cp\u003e\u003cstrong\u003eDFB-24-B\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1-1\/2 in or 38.1 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558304756022,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_13e32b36-2ddb-40fd-bd1d-9841371ddd61.jpg?v=1712584709"},{"product_id":"dfb-32-b","title":"DFB-32-B","description":"\u003cp\u003e\u003cstrong\u003eDFB-32-B\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 2 in or 50.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558304788790,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_ccbcf197-a356-477e-853b-9e42f13b65c7.jpg?v=1712584709"},{"product_id":"dfb-1-c","title":"DFB-1-C","description":"\u003cp\u003e\u003cstrong\u003eDFB-1-C\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/16 in or 1.6 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558304821558,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_1943172f-caca-4ea4-8482-ab7aad325b86.jpg?v=1712584709"},{"product_id":"dfb-20-b","title":"DFB-20-B","description":"\u003cp\u003e\u003cstrong\u003eDFB-20-B\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1-1\/4 in or 31.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558304854326,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_85ec2f50-8b90-42f2-8b17-ad12d20fead7.jpg?v=1712584709"},{"product_id":"dfb-3-c","title":"DFB-3-C","description":"\u003cp\u003e\u003cstrong\u003eDFB-3-C\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 3\/16 in or 4.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558305837366,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_50ba5e35-648d-4090-a1d6-259d82e95494.jpg?v=1712584714"},{"product_id":"dfb-2-c","title":"DFB-2-C","description":"\u003cp\u003e\u003cstrong\u003eDFB-2-C\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/8 in or 3.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558305870134,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_c9ae2ac5-0981-46df-b7bb-4564b3f7c7c8.jpg?v=1712584713"},{"product_id":"dfb-10-c","title":"DFB-10-C","description":"\u003cp\u003e\u003cstrong\u003eDFB-10-C\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 5\/8 in or 15.9 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558305902902,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_248f6578-2730-404f-a0bc-7b77baa6aa44.jpg?v=1712584713"},{"product_id":"dfb-5-c","title":"DFB-5-C","description":"\u003cp\u003e\u003cstrong\u003eDFB-5-C\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 5\/16 in or 7.9 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558305935670,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_8d3fd589-9aa0-4cab-a969-20a1e074929b.jpg?v=1712584714"},{"product_id":"dfb-14-c","title":"DFB-14-C","description":"\u003cp\u003e\u003cstrong\u003eDFB-14-C\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 7\/8 in or 22.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558306165046,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_0b884445-bf4a-4033-9220-2e1c434897de.jpg?v=1712584717"},{"product_id":"dfb-20-c","title":"DFB-20-C","description":"\u003cp\u003e\u003cstrong\u003eDFB-20-C\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1-1\/4 in or 31.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558306197814,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_171b673d-579b-4325-90f9-2f95ddca5ef7.jpg?v=1712584718"},{"product_id":"dfb-24-c","title":"DFB-24-C","description":"\u003cp\u003e\u003cstrong\u003eDFB-24-C\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1-1\/2 in or 38.1 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558306230582,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_9898945e-3692-46c1-8b41-74f7128014a2.jpg?v=1712584718"},{"product_id":"dfb-32-c","title":"DFB-32-C","description":"\u003cp\u003e\u003cstrong\u003eDFB-32-C\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 2 in or 50.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558306263350,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_615f7c74-76da-4624-92c9-b5e284d254e2.jpg?v=1712584718"},{"product_id":"dfb-1-sd","title":"DFB-1-SD","description":"\u003cp\u003e\u003cstrong\u003eDFB-1-SD\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Super Duplex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/16 in or 1.6 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558306525494,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_d365a83a-c4cf-49ae-a088-83336c356c6e.jpg?v=1712584722"},{"product_id":"dfb-2-sd","title":"DFB-2-SD","description":"\u003cp\u003e\u003cstrong\u003eDFB-2-SD\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Super Duplex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/8 in or 3.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558306558262,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_64a756bd-6b48-4d9c-94c7-f71895e5ed64.jpg?v=1712584722"},{"product_id":"dfb-3-sd","title":"DFB-3-SD","description":"\u003cp\u003e\u003cstrong\u003eDFB-3-SD\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Super Duplex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 3\/16 in or 4.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558306591030,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_6b73aaa0-65c5-4611-b432-0cc23bf26663.jpg?v=1712584723"},{"product_id":"dfb-4-sd","title":"DFB-4-SD","description":"\u003cp\u003e\u003cstrong\u003eDFB-4-SD\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Super Duplex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/4 in or 6.4 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558306623798,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_4577976f-aabd-4674-b6bb-2f3cfc17a4ff.jpg?v=1712584723"},{"product_id":"dfb-5-sd","title":"DFB-5-SD","description":"\u003cp\u003e\u003cstrong\u003eDFB-5-SD\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Super Duplex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 5\/16 in or 7.9 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558307606838,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_8055f463-c52c-4aaf-b0f4-ecd01caa467a.jpg?v=1712584726"},{"product_id":"dfb-6-sd","title":"DFB-6-SD","description":"\u003cp\u003e\u003cstrong\u003eDFB-6-SD\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Super Duplex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 3\/8 in or 9.5 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558307705142,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_4bf5faf9-9439-4ab0-89ef-5da9db465d14.jpg?v=1712584727"},{"product_id":"dfb-8-sd","title":"DFB-8-SD","description":"\u003cp\u003e\u003cstrong\u003eDFB-8-SD\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Super Duplex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/2 in or 12.7 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558307672374,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_aa7f0c8c-e381-40e6-b259-8cff1c52a557.jpg?v=1712584727"},{"product_id":"dfb-10-sd","title":"DFB-10-SD","description":"\u003cp\u003e\u003cstrong\u003eDFB-10-SD\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Super Duplex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 5\/8 in or 15.9 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558307803446,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_fdf81dc3-cc83-4e08-af09-34202e083c04.jpg?v=1712584727"},{"product_id":"dfb-12-sd","title":"DFB-12-SD","description":"\u003cp\u003e\u003cstrong\u003eDFB-12-SD\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Super Duplex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 3\/4 in or 19.1 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558307967286,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_f9a2782e-3d8b-4815-9e5d-316530cc74b1.jpg?v=1712584731"},{"product_id":"dfb-16-sd","title":"DFB-16-SD","description":"\u003cp\u003e\u003cstrong\u003eDFB-16-SD\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Super Duplex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1 in or 25.4 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558308786486,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_c90893ae-6df5-44c5-b1fb-2ce00d7bfbe7.jpg?v=1712584731"},{"product_id":"dfb-14-sd","title":"DFB-14-SD","description":"\u003cp\u003e\u003cstrong\u003eDFB-14-SD\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Super Duplex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 7\/8 in or 22.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558308819254,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_4fb595f4-9f33-4ef1-b3cc-aba0ba2394a2.jpg?v=1712584731"},{"product_id":"dfb-20-sd","title":"DFB-20-SD","description":"\u003cp\u003e\u003cstrong\u003eDFB-20-SD\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Super Duplex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1-1\/4 in or 31.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558308884790,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_609284ea-5a22-4081-8e56-3c3e17466c4f.jpg?v=1712584732"},{"product_id":"dfb-24-sd","title":"DFB-24-SD","description":"\u003cp\u003e\u003cstrong\u003eDFB-24-SD\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Super Duplex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1-1\/2 in or 38.1 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558309343542,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_6ae897c3-5d41-44d9-97e8-3fb37347a44c.jpg?v=1712584736"},{"product_id":"dfb-32-sd","title":"DFB-32-SD","description":"\u003cp\u003e\u003cstrong\u003eDFB-32-SD\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Super Duplex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 2 in or 50.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558309245238,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_e563f739-32eb-4315-9a97-205d3f30a02c.jpg?v=1712584736"},{"product_id":"dfb-1-l20","title":"DFB-1-L20","description":"\u003cp\u003e\u003cstrong\u003eDFB-1-L20\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Alloy 20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/16 in or 1.6 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558309278006,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_c3b10fdf-de4e-4bf7-87d4-daa61dccc1aa.jpg?v=1712584736"},{"product_id":"dfb-2-l20","title":"DFB-2-L20","description":"\u003cp\u003e\u003cstrong\u003eDFB-2-L20\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Alloy 20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/8 in or 3.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558309409078,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_14cb6327-ab12-4c3d-9243-0ea4a0e1e4d8.jpg?v=1712584737"},{"product_id":"dfb-3-l20","title":"DFB-3-L20","description":"\u003cp\u003e\u003cstrong\u003eDFB-3-L20\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Alloy 20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 3\/16 in or 4.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558309572918,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_27a72e94-4bce-43e9-8b4a-1ee8e37e7a23.jpg?v=1712584740"},{"product_id":"dfb-4-l20","title":"DFB-4-L20","description":"\u003cp\u003e\u003cstrong\u003eDFB-4-L20\u003c\/strong\u003e is part of the DK-Lok DFB Back Ferrules line. A-Best Industrial Inc. Fittings, Valves, and Tubing is an authorized DK-Lok distributor in San Pedro, CA, and can quote price and lead time, usually the same day.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Alloy 20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube O.D.:\u003c\/strong\u003e 1\/4 in or 6.4 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout \u003ca href=\"\/collections\/spare-parts\"\u003eSpare Parts\u003c\/a\u003e\n\u003c\/h2\u003e\u003cp\u003eReplacement nuts, front ferrules, back ferrules and ferrule sets for DK-Lok tube fittings. Use genuine DK-Lok parts so the fitting makes up and gauges correctly. Never mix nuts and ferrules from other brands.\u003c\/p\u003e\u003cp\u003eNeed help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.\u003c\/p\u003e\u003cp\u003eFull dimensions are in the Specifications tab.\u003c\/p\u003e","brand":"DK Lok","offers":[{"title":"Default Title","offer_id":48558309605686,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/files\/DFB_Back_Ferrules_Image_1_71d6e445-82fb-42de-ae80-1e3844e5decc.jpg?v=1712584740"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/6997\/9190\/collections\/DFB_Back_Ferrules_Image_1.jpg?v=1715838763","url":"https:\/\/abesttube.com\/collections\/dfb-back-ferrules-1.oembed?page=4","provider":"A-Best Industrial Inc. Fittings Valves and Tubing","version":"1.0","type":"link"}