What Thread Size Are Brake Lines?

What Thread Size Are Brake Lines? Normally, a 7/16 fine thread is 7/16-20. The threads for 1/4″ brake lines where a rubber hose screws into a wheel cylinder with a copper gasket ARE the 7/16-20 standard fine thread. 3/16″ lines use standard 3/8-24 threads for both the flare nuts and the gasketed fittings. What size … Continue reading What Thread Size Are Brake Lines?