{"product_id":"tnisesm-102-piece-3-16-brake-line-fittings-kit-inverted-flare-nuts-unions-corrosion-resistant","title":"Tnisesm 102-Piece 3\/16\" Brake Line Fittings Kit — Inverted-Flare Nuts \u0026 Unions, Corrosion-Resistant","description":"\u003cp\u003e\u003cstrong\u003eThe Tnisesm 102-piece 3\/16\" brake line fittings kit supplies a full assortment of inverted-flare nuts and unions to repair, extend, or join 3\/16\" brake tubing quickly and reliably.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact box groups every common inverted-flare brake-line fitting you’ll need for maintenance, restoration, or custom plumbing on cars, trucks, and SUVs that use 3\/16\" tubing. Rather than hunting single fittings or mismatched threads, this kit delivers organized, corrosion-resistant pieces in four thread sizes so you can match factory or aftermarket brake and hydraulic lines without delays.\u003c\/p\u003e\n\n\u003ch3\u003eWhich parts are included and how are they organized?\u003c\/h3\u003e\n\u003cp\u003eThe set contains 102 individual fittings tailored for 3\/16\" brake tubing: a high count of inverted-flare nuts plus several unions to join two lines. Components are sorted in a compartmented storage box so you can locate the correct thread size fast.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e62 × 3\/16\" inverted tube nut (3\/8-24 threads)\u003c\/li\u003e\n  \u003cli\u003e16 × 3\/16\" inverted tube nut (7\/16-24 threads)\u003c\/li\u003e\n  \u003cli\u003e8 × 3\/16\" inverted tube nut (1\/2-20 threads)\u003c\/li\u003e\n  \u003cli\u003e8 × 3\/16\" inverted tube nut (9\/16-18 threads)\u003c\/li\u003e\n  \u003cli\u003e8 × 3\/16\" inverted tube union (3\/8-24 threads)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and finish protect these fittings?\u003c\/h3\u003e\n\u003cp\u003eTnisesm fittings are manufactured from durable metal with a rust- and corrosion-resistant treatment designed for long service in under-vehicle environments. The finish extends part life compared with untreated fittings and helps maintain reliable sealing under normal automotive conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable metal construction for mechanical strength\u003c\/li\u003e\n  \u003cli\u003eCorrosion-proof surface treatment to resist rust\u003c\/li\u003e\n  \u003cli\u003eConsistent thread machining for accurate fit and seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use these nuts and unions during a repair?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with brake-line work. Clean the tubing ends, fit the correct nut onto each tube, align the inverted flare, and tighten the union or connector with a wrench until snug. Always follow vehicle manufacturer torque guidance and safety practices when working on brake or hydraulic systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEnsure tubing ends are free of burrs and contaminants\u003c\/li\u003e\n  \u003cli\u003eSlip the nut onto each tube before flaring or joining\u003c\/li\u003e\n  \u003cli\u003eHand-start threads, then tighten with a wrench to recommended torque\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and systems will this assortment fit?\u003c\/h3\u003e\n\u003cp\u003eThis kit is built for standard 3\/16\" brake tubing using inverted or double flare connections, common on older and many modern cars, light trucks, and SUVs. It is also suitable for certain fuel or low-pressure hydraulic lines that use the same tube and thread standards. Confirm thread size and flare type before choosing a fitting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with most 3\/16\" inverted\/double-flare brake lines\u003c\/li\u003e\n  \u003cli\u003eWorks for fuel or hydraulic lines that share those thread standards\u003c\/li\u003e\n  \u003cli\u003eUseful for restoration, maintenance, and custom plumbing tasks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Professional mechanics, home DIYers restoring classic vehicles, and fleet technicians who want a ready supply of commonly used 3\/16\" inverted-flare fittings. The organized case keeps replacements on hand for roadside repairs, shop jobs, or parts bins so you can avoid downtime due to missing connectors.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these fittings compatible with double-flare brake lines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit is made for standard 3\/16\" inverted or double-flare brake tubing; confirm thread size before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the fittings resist corrosion for underbody use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — they feature a corrosion-resistant finish designed to extend service life in automotive environments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Tnisesm","offers":[{"title":"Default Title","offer_id":48087492526238,"sku":"B0G7773JJ5","price":34.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/tnisesm-front-package-102pcs-brake-fittings.jpg?v=1785924795","url":"https:\/\/northtrailauto.ca\/products\/tnisesm-102-piece-3-16-brake-line-fittings-kit-inverted-flare-nuts-unions-corrosion-resistant","provider":"North Trail Auto","version":"1.0","type":"link"}