How is the thread size of a brake line determined?
Brake Line Thread Identification: What it Entails Thread identification means learning the thread size and pitch. The thread size is determined by the outside diameter of the male thread, or the inside diameter of the female thread. Pitch refers to the distance from one thread groove to the next (measured from crest to crest).
How to find out what metric nut is on your brake line?
How to find out what Metric nut is on your brake line. Metric threads are measured by the diameter of the threaded portion and by how far apart the threads are. The common metric thread 10mm x 1.0 indicates a 10mm o.d. on the threaded portion and a thread pitch of 1.0mm, which is one thread every millimeter.
How to identify your brake line fittings how to?
Identifying your brake line fittings consists of three steps: 1 Identify the thread sizes 2 Identify the end configurations 3 Identify the fittings group and type
How big is the brake line on a truck?
3/16″ is found on virtually all cars and trucks made in the world. 1/4″ brake line is most frequently found in short pieces between the master cylinder and ABS pump, the long run to the rear of full sized cars, trucks and hydraulic clutch lines. Cars and trucks in the 50’s frequently had all 1/4″ line.
What are the different sizes of brake lines?
There are two basic sizes of brake lines. The smaller size is 3/16″/4.75mm brake line, CNF-3; and the larger size is 1/4″ CNF-4. 3/16″ is found on virtually all cars and trucks made in the world. 1/4″ brake line is most frequently found in short pieces between the master cylinder and ABS pump,…
How are metric threads measured on a brake line?
Metric threads. Metric threads are measured by the diameter of the threaded portion and by how far apart the threads are. The common metric thread 10mm x 1.0 indicates a 10mm o.d. on the threaded portion and a thread pitch of 1.0mm, which is one thread every millimeter. Since there are 25.4 millimeters in 1 inch,…
How many threads are in a brake line nut?
Brake line nuts are more like hollow bolts and you measure the diameter of the threaded portion and the spacing of the threads. First we’ll cover some basic information on thread forms. In the U.S. inch system the standard fine thread 3/8″ diameter bolt has 24 threads per inch (tpi). This may be called SAE, UNF, or NF.
How big is a standard metric brake nut?
Get a standard Metric 10mm x 1.0 fine thread bolt or a standard Metric 4.75mm brake line; this will have 10mm x 1.0 thread nuts on it. You will use the bolt (or nut) for your gauge. Hover over picture to enlarge.