Brake Line Nut Catalog

click links below to take you to correct page:

Brake Line Nuts and Fittings for 3/16" Brake Line
Brake Line Nuts and Fittings for 1/4" Brake Line
British/Girling Brake Line Nuts and Fittings
Bleed Screws, Banjo Bolts and Misc. Hardware
AN/37 Degree Brake Line Nuts and Fittings
Fuel Line Nuts and Fittings


PDF Catalog


Our brake line nuts are numbered so that you can tell at a glance what it is.

"A" nuts are American thread
T's are identified as TA for American thread and unions are identified as UA

"M" nuts are Metric thread
T's are identified as TM for metric thread and unions are identified as UM

"P" nuts are British
P nuts are the original Girling part numbers (with an extra dash)

The next number identifies the particular nut.
The last part is the dash size indicating the brake line diameter.
-3 (pronouced dash 3) is 3/16"
-4 is 1/4"
-5 is 5/16"
-6 is 3/8"
Metric tubing is identified with MM.

All nuts are steel unless followed with ss (stainless steel) or br (brass)

A1-3 is the most common American nut, M1-3 is the most common European nut, the M5-3 is the most common Asian nut and the P10-3 is the most common British nut.

If you don't see what you want we may have it. We're constantly updating and adding to our product line to better suit your needs.

We are direct representatives of the manufacturers bringing these products to the US market. Manufacturers, wholesale distributors and jobbers please call for pricing.

Manufacturers please inquire about cold formed nuts to your specification in quantities of 50,000 or more. Custom nuts CNC manufacture in quantities of 100 or more.