Hollow Banjo Bolts

Custom Washers Manufacturer


Hollow Banjo Bolt Supplier

We’re a leading manufacturer of specialty fastening solutions for demanding industrial applications. Our area of expertise is custom hollow banjo bolts manufactured from high-quality, Besides these materials. Carton steel and stainless steel, etc materials are also available. We can also manufacture them per your specific request.

Heatfastener Specialty Manufacturing has been working with original equipment manufacturers for over 100 years, providing excellent and timely customer service. Our team of highly trained professionals utilizes only the latest technology and processing methods to manufacture all of our flat washers. We carefully monitor each washer to be sure it is made to precision. You’ll be satisfied with the end results.

Hollow Banjo Bolts

What are Hollow Banjo Bolts?

A banjo bolt is one-half of a banjo fitting. Banjo fittings are regularly used to pass pressurized liquid, It’s normally a hollow bolt with a hole on the side. That hole permits fluid transfer right into the other part of the fitting, which is likewise hollow. The banjo bolt goes through the facility of the suitable, which additionally has a hole in it. The banjo installation has flat surfaces which are generally secured with a washer, commonly crush washers. These washers allow fluid to pass around the bolt, so the holes in the bolts do not need to line up, so the installation of flexible lines becomes easier.


Banjo Bots are commonly found in automobiles’ fuel, motor oil, power steering, and hydraulic systems, notably the clutch and brake systems. In such systems, the banjo bolt attaches the brake lines to the cylinder to regulate the pressure in response to the activation of the brake pedal. General applications include:

  • Hydraulic power systems
  • Power steering fluid
  • Variable valve timing systems
  • Brake caliper connectors
  • Turbocharger oil feeds
  • Fuel filter connectors
  • Carburetor connector
  • Hydraulic clutch systems
  • Fuel dosing for SCR systems

How To Install Hollow Banjo Bolts ?

A typical connection is made by inserting the hollow bolt into the pre-drilled holes of the fixture and hollow section. As the bolt head is tightened, the cone is pulled up the bolt thread, causing the sleeve to expand until the cone locks the sleeve against the hollow section’s inner wall.

Frequently Asked Questions

Banjo bolts get their name from the shape of the fitting, which has a large circular section coupled to a thin pipe. This construction gives it the form of a musical instrument known as the banjo

A banjo bolt is one half of a banjo fitting. Banjo fittings are frequently used to pass pressurized fluid. In the motorcycle world, they’re most often seen in brake systems, but there are lots of other non-motorcycle applications for this type of fluid-transfer fitting. Here’s a banjo fitting and a banjo bolt

Fluid bolts are used to transition fluid from a banjo fitting through the center of the bolt and into the caliper or other device. They come in many different sizes and thread pitches, imperial and metric. Our fluid bolts are made with carbon steel and are clear zinc plated. Part.

Need Custom Bolts For Your Industry?

As a 20-year industry experience manufacturer with a factory equipped with precision machines, we can provide, from consultation to production, a one-stop solution for you.

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