What is a flare nut used for?
During assembly, a flare nut is used to secure the flared tubing’s tapered end to the also tapered fitting, producing a pressure-resistant, leak-tight seal. Flared connections offer a high degree of long-term reliability and for this reason are often used in mission-critical and inaccessible locations.
What does flare nut mean?
Noun. flare nut (plural flare nuts) (tech) A nut to secure a flared tubing’s tapered end.
What size flare nut goes on a 3/16 brake line?
ASD 3/16″ tube nuts are for use with any brake line, including steel, Poly Armour, and NiCopp for the repair or replacement of hydraulic brake lines. These fittings are the most commonly used in all automotive applications, with a standard inverted flare, also known as a double flare.
Do you use Teflon tape on flare fittings?
Do not use Teflon ® tape or pipe sealant on any flare ends because you will not obtain a leak-free seal. Keep flare end of fitting free of grease, oil and thread sealant.
How do you stop a flare nut from leaking?
How to Make a Leak-free Flare Fitting (Video)
- Use a good quality tube cutter. If it starts threading the pipe, it’s time to get a new one.
- Use a deburring tool. The ridge from gutting will be at the edge of your flare.
- Use the proper flaring block.
- Use a flare gauge.
- Use a torque wrench.
What size are brake line flare nuts?
Brake line wrenches (flare nut wrenches or simply line wrenches) serve a specific purpose. Domestic cars often use 7/16-inch and imports 10 mm. Brake line wrenches (often called flare nut wrenches or simply line wrenches) serve a specific purpose in a mechanic’s toolbox.
What thread is 3/16 brake fittings?
3/16″/4.75mm Metric thread brake line nuts and fittings.
Do flare fittings need sealant?
The threads in a flare fitting are NOT tapered and do not need to be sealed. The seal is between the flared end of the pipe/tube and the tapered face of the other side of the fitting. All the threaded collar does is supply force to create a seal between the opposite tapers of the two ends.
What size nut is on a 3/16 brake line?
3/16″/4.75mm American Thread brake line nuts and fittings.
What size nut is on brake line?
Brake line wrenches (often called flare nut wrenches or simply line wrenches) serve a specific purpose in a mechanic’s toolbox. Several styles exist, but determining which brake line wrench is right for my vehicle isn’t really that hard. Most domestic cars use a 7/16-in. size, while imports typically use a 10 mm.