How To Measure Banjo Fittings? (Finally Explained!)

The mechanical fuel pump is bolted to the engine and the banjo bolts are on the fuel line. The metric banjo bolts measure a follows. Shank 7.9mm in diameter, bore 3.8mm, length under side of the head to end of thread 16.35mm. Thread length 9.3mm and the bolt diameter is 6.5mm. Bolt size is not the same as the metric bolt size, but it is close enough to be used interchangeably.

Everything is explained in that video:

What size are banjo bolts?

This 3/8-24 single (. 98 shank) banjo bolt fits most standard 3AN and 4AN banjo fittings and banjo adapters measuring 1-1/2″ in diameter. The banjos are available in a variety of colors.

What is the purpose of a banjo fitting?

A banjo fitting consists of a hollow bolt, or internally relieved bolt, and a spherical union for fluid transfer. It can be used to connect a fluid line to a bolt. The term “banjo” is derived from the English word “bannock,” which is the name for a type of wood used in the making of banjos.

What is a brake caliper banjo bolt?

They are essentially connectors that link brake-fluid lines to brake cylinders. The performance of the brake system is dependent on the Banjo bolts handling high pressure. Brakes are available in a wide range of sizes, from 1/2″ to 3/4″ in diameter. They can be used on any type of brake, including disc brakes, rotors, and calipers.

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What is a banjo valve?

The banjo valve is a device used for controlling the passage of fluid or air through a pipe system, which is notable for its design of injection molded parts. It is used to control the flow of air or fluid through the system. Banjo valve consists of two parts.

The first part is the valve body, which is made up of a cylindrical housing and a pair of pistons that are connected to the housing by a series of valves. As the piston moves back and forth, it compresses and relaxes the two valves, causing them to open and close. This process is repeated until the desired pressure is reached, at which point it is closed again.

In this way, air can be forced into a chamber without the need for a pump or other mechanical device.

Is pipe measured by ID or OD?

The nominal dimension for pipe is the ID. For example, if you have a 1¼ inch ID pipe, and you want to make a 3/8 inch hole in it, you will need to cut the pipe to a length of 3¾ inches. This is because the nominal diameter of a pipe (ID) is 1.5 inches, which is 3.75 inches in length.

If you cut it to 3 inches length, it will be 1 1/2 inches outside of its nominal ID, so you can’t make the hole. You can, however, make it 1 inch inside of it. The same is true for 1-1/4 inch diameter pipe. It is nominal, or approximately, 2.25 inches long.

How do I measure pipe thread size?

When measuring a female pipe thread (FPT), measure the OD of the pipe itself and subtract ¼ inch to find the correct pipe thread size. It is possible to purchase a measuring tool that will measure OD and then subtract 12 inch from the result.

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For example, if you have a 3/8″ OD pipe and a 1/2″ ID pipe, you would use the following formula to determine the size of your FPT: 3 / 2 = 1.5 inches.

How do I identify pipe threads?

Look at the diameter of your thread to see if it’s parallel or tapered. If the thread diameter gets thinner towards the end, it’s time to look at a tapered thread.

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