Fabrication

Coped Steel Bung 3/8 - 16 1/2" Inch

Save time and create a super strong mount for just about anything on your bike using these fully threaded coped bungs. Proudly made in the USA from premium American 1018 cold rolled steel for easy welding. Coped to fit perfectly to 1-1/8" diameter frame tubing but is a very easy fit to both 1" and 1-1/4" diameter as well. These bungs are 3/4" diameter x 1/2" long from flat face to the edge of cope. They are tapped through with 3/8-16 threads. See photos for all dimensions. Sold in pairs.

5/16-18 Threaded 1" Long Steel Bung

Steel Bungs 5/16-18 Threaded 1 inch Long by TC Bros Save time and create a super strong mount for just about anything on your bike using these fully threaded bungs. Proudly made in the USA from premium American 1018 cold rolled steel for easy welding. These are a perfect match to our 3/8" counterbore style bungs for socket head bolts. These bungs are 3/4" diameter x 1" long and are tapped through with 5/16-18 threads. See photos for all dimensions. Sold in packs of 4.

Sissy Bar/Fender Strut Mounting Bungs 5/8" ID

DIY Sissy Bar/ Fender Strut Mounting Bungs - 5/8" ID.

Perfect size for the TC Bros Tall length DIY sissy bars and with the TC Bros fender strut kit.

• Tall Kickback Sissy Bar
• Tall DIY Sissy Bar

Weld-On License Plate Bracket

The good folks over at Prism Supply Co have designed a license plate bracket to work with any new or vintage license plate.  It's perfect for that sissy bar application. Comes in either stainless or mild steel with a thickness of 8 gauge or 0.1285".

Don't forget a set of Glass License Plate Jewels for that vintage custom look! 

1/4" NPT Steel Weld-In Petcock Bung

TC Bros. 1/4" NPT (National Pipe Thread) bungs are most commonly used for gas tank petcock bungs or for oil tank fittings.

Proudly made in the USA from premium American 1018 cold rolled steel for easy welding.

Note: NPT threads are tapered. They are only designed to be used with corresponding NPT threaded fittings or pipe. The tapered design allows the threads to create a leak proof seal when tightened. They are not to be used with standard bolts or hardware.

These bungs install easily by inserting into a 3/4" diameter hole and welding around the 1" diameter flange. See photos for all dimensions.

Sold in pairs.

Brake Pivot For Forward Control Linkage

universal brake pivot kit for connecting forward control linkage to drum brake linkage.

Kit includes: weld on raw steel mount with threaded holes that is coped to fit your frame tubing. After welding the mount to your frame you can then bolt the brake pivot to the mount.

Brake pivot is totally serviceable with replaceable oil impregnated bronze bushings. Pivot is powdercoated gloss black for a super durable finish. Kit also includes one raw steel return spring mounting tab and a return spring.

Coped Steel Bung 3/8 - 16 1" 

Save time and create a super strong mount for just about anything on your bike using these fully threaded coped bungs. Proudly made in the USA from premium American 1018 cold rolled steel for easy welding. Coped to fit perfectly to 1-1/8" diameter frame tubing but is a very easy fit to both 1" and 1-1/4" diameter as well. These bungs are 3/4" diameter x 1" long from flat face to the edge of cope. They are tapped through with 3/8-16 threads. See photos for all dimensions. Sold in pairs.

Heavy Duty Rubber Mounting Triangular Tab

TC Bros. universal fit, weld-on rubber mounting tabs are CNC laser cut from 1/4" thick American made mild steel for easy welding.

The CNC machined, 6061 aluminum tophat style spacer and military spec rubber grommet perform under the most demanding rigid frame applications. Included 5/16"-18 x 1" stainless steel button head mounting bolt looks great and is very corrosion resistant.

These tabs save you a lot of time on your build and provide you with professional quality results. Perfect for mounting oil tanks, gas tanks, or any other component that can be easily damaged by excessive vibration. Sold individually.

Proudly made in the USA. (SOLD EACH)

External Weld-On Cable/Wire Guide

Looking for a way to clean up your cables and/ or wiring? The folks at Prism Supply Co. have you covered! These weld-on cable guides are perfect for cable and wire route planning during your build. With both an internal and external wiring option, your wiring will look cleaner than anyone else's! 

• Work perfectly for electrical wires, throttle cables, clutch cables, and brake cables
• These come in raw steel.
• Can be welded/ brazed on.
• Can work with either throttle cable or electrical wires.
• Each guide is sold individually.

Single Sided Weld On Chain Tensioner - Skate Wheel (Powell Peralta)

-Ready to weld on to your frame!
-Universal to any chain size or belt drive.
-Raw mild steel for easy welding
-Tig Welded
- The spring is hand wound stainless steel for unsurpassed tension.

This tensioner is used to keep the chain tight automatically which avoids chain slap which can cause drive issues as well as damage to fenders and frames.

Cable/ Wire Guide Weld-On

Looking for a way to clean up your cables and/ or wiring? The guys over at Prism Supply Co. have you covered! These weld-on cable guides are perfect for cable and wire route planning during your build. With these internal internal wiring guides, your wiring will look cleaner than anyone else's! 

• Work perfectly for electrical wires, throttle cables, clutch cables, and brake cables
• These come in raw steel.
• Can be welded/ brazed on.
• Can work with either throttle cable or electrical wires.
• Each guide is sold individually.

Weld-On Steel Mounting Tab Style 9

Tab Style #9 (Vintage). Similar construction to our standard mounting tabs but with more curves and contours for a vintage look. CNC laser cut from 1/4" thick American-made mild steel for easy welding.

Heavy-duty design performs under the most demanding rigid frame applications. 5/16" width slot works perfectly with 5/16" hardware and allows for additional adjustment of components. Save yourself a lot of time on your build by using these tabs to mount almost anything.

Sold in packs of 4.

Proudly made in the USA.

Weld On Brake Stay Mounting Tab

TC Bros. universal fit, weld-on brake stay mounting tabs are CNC laser cut from 1/4" thick American-made mild steel for easy welding.

Vintage style curves and contours provide eye appeal while the 3/8" diameter hole makes for easy attachment of your brake anchor rod end. This heavy-duty tab design stands up to the most demanding rigid frame applications and can be used to mount almost anything you can dream of.

Sold individually.

Proudly made in the USA.

Coped Steel Handlebar Riser Bungs 1/2-13 Threaded

TC Bros. bungs are perfect for building custom riser-less handlebars. Proudly made in the USA from premium American 1018 cold rolled steel for easy welding.

These bungs feature a coped end that fits perfectly to 1" diameter tubing as well as 1/2-13 internal threads for mounting to Harley Davidson® style triple trees. Your handlebar mounting bolts pass through the bottom of the triple trees and thread into these bungs for a much cleaner installation as compared to traditional clamp-style risers. The 1" length from the edge of the cope to the flat face provides 1" of rise once welded to your handlebar.

See photos for all dimensions. Sold in pairs.

Coped Steel Bung 5/16-18 1/2"

Save time and create a super strong mount for just about anything on your bike using these fully threaded coped bungs. Proudly made in the USA from premium American 1018 cold rolled steel for easy welding. Coped to fit perfectly to 1-1/8" diameter frame tubing but is a very easy fit to both 1" and 1-1/4" diameter as well. These bungs are 3/4" diameter x 1/2" long from flat face to edge of cope. They are tapped through with 5/16-18 threads. See photos for all dimensions. Sold in pairs.

Coped Steel Bung 5/16-18 1"

Save time and create a super strong mount for just about anything on your bike using these fully threaded coped bungs. Proudly made in the USA from premium American 1018 cold rolled steel for easy welding. Coped to fit perfectly to 1-1/8" diameter frame tubing but is a very easy fit to both 1" and 1-1/4" diameter as well. These bungs are 3/4" diameter x 1" long from flat face to the edge of cope. They are tapped through with 5/16-18 threads. See photos for all dimensions. Sold in pairs.

Coped Steel Bung 5/16-18 1-1/2"

Save time and create a super strong mount for just about anything on your bike using these fully threaded coped bungs. Proudly made in the USA from premium American 1018 cold rolled steel for easy welding. Coped to fit perfectly to 1-1/8" diameter frame tubing but is a very easy fit to both 1" and 1-1/4" diameter as well. These bungs are 3/4" diameter x 1-1/2" long from flat face to edge of cope. They are tapped through with 3/8-16 threads. See photos for all dimensions. Sold in pairs.

Coped Steel Bung 3/8-16 1-1/2"

.Save time and create a super strong mount for just about anything on your bike using these fully threaded coped bungs. Proudly made in the USA from premium American 1018 cold rolled steel for easy welding. Coped to fit perfectly to 1-1/8" diameter frame tubing but is a very easy fit to both 1" and 1-1/4" diameter as well. These bungs are 3/4" diameter x 1-1/2" long from flat face to edge of cope. They are tapped through with 3/8-16 threads. See photos for all dimensions. Sold in pairs.