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1" Cope 1" O.D. Threaded Bungs
ctb1$6.75 - $7.25These are our Coped Threaded Bungs. One end is coped or fish mouthed to fit over a piece of tubing or solid bar. This leaves you with a great fit over round stock and a large area for a strong weld seam. We commonly use them anytime we need a threaded... -
1 1/4" Cope 1" O.D. Threaded Bungs
ctb12$6.75 - $7.25These are our Coped Threaded Bungs. One end is coped or fish mouthed to fit over a piece of tubing or solid bar. This leaves you with a great fit over round stock and a large area for a strong weld seam for an extra strong joint. We commonly use them... -
1-1/2" coped threaded bungs
ctb$6.75 - $7.50These are our Coped Threaded Bungs. One end is coped or fish mouthed to fit over a piece of tubing or solid bar. This leaves you with a great fit over round stock and a large area for a strong weld seam for an extra strong joint. We commonly use them... -
1" Cope 3/4" O.D. Threaded Bungs
SCTB1$5.25These are our Coped Threaded Bungs. One end is coped or fish mouthed to fit over a piece of tubing or solid bar. This leaves you with a great fit over round stock and a large area for a strong weld seam for an extra strong joint. We commonly use... -
1 1/4" Cope 3/4" O.D. Threaded Bung
SCTB12$5.25These are one style of our Coped Threaded Bungs. One end is coped or fish mouthed to fit over a piece of tubing or solid bar. This leaves you with a great fit over round stock and a large area for a strong weld seam for an extra strong joint. We... -
Weld On Coped Riser Spuds
CWORS$7.00Weld On Coped Riser Spuds These bungs are used to take place of a standard bolt on riser clamp. They are ment to be welded to your favorite set of bars using the coped section of the bung to fit around the correct tubing size. They are threaded to...
Coped Weld-On Bungs – Precision-Fit Fabrication Parts Made in the USA
Bung King's coped bungs are designed for fabricators and builders who need precise, ready-to-weld components for custom motorcycle, automotive, and industrial applications. Each bung features a pre-coped (fish-mouth) end for perfect fitment to round tubing—eliminating the need for extra grinding or shaping.
All of our bungs are machined in-house in the USA from high-quality steel or stainless steel, offering superior weldability, strength, and repeatable accuracy. Whether you're building crash bars, sissy bars, subframes, or roll cages, these weld-on coped bungs save time and increase structural reliability.
Common Uses Include:
Motorcycle crash bar fabrication
Frame and subframe reinforcements
Roll cages and tubing joints
Custom brackets and structural mounts
Key Features:
Pre-coped for perfect tube-to-bung alignment
Available in multiple sizes and materials
CNC-machined for consistency
Made in the USA
Ideal for professional and DIY fabrication projects
Bung King's coped bungs are trusted by custom builders, race teams, and welders across the country. Add strength and precision to your next fabrication project with our premium weld-on bungs.