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1/2" x 13 Stainless Stepped Handlebar Bung
SHBBSS$7.50 - $9.00These are one of the larger versions of our stepped bungs. They are drilled and tapped through for a 1/2" x 13 bolt, the same thread size used in most handlebar mounting. The stepped down section is 1/4" smaller then the larger flange dia so it... -
Stainless Stepped Blind Tank Bungs
SBTB-SS$4.95Stainless Stepped Blind Tank Bungs These stepped, stainless steel, blind threaded bungs (some call them top hat bungs) are great for use in gas tanks, oil tanks or any other stainless steel fluid container. They have a step machined in them to keep... -
Stainless Stepped NPT bungs
SNPT-SS$4.95 - $11.95Stainless Steel NPT Weld-In Bungs – Multiple Sizes Available Our premium 300 series stainless steel NPT threaded weld-in bungs are precision-machined from solid round stock and tapped to your specified NPT thread size. Designed for custom... -
1" Stainless Threaded Bullet
$4.50These weld on threaded bullet bungs are made of solid stainless steel and drilled and tapped to you thread choice. These are blind bungs (hole does not go all the way through) and are rounded with a full radius at opposite end. 1" Overall... -
1/4" X 20 Stainless Threaded Bung
TB14CSS$4.00 - $4.251/4"-20 Stainless Steel Weld-In Threaded Bungs These 1/4"-20 weld-in threaded bungs are precision-machined from 5/8" solid stainless steel bar stock, offering excellent strength and corrosion resistance for your custom fabrication projects. Tapped for... -
1.5" Stainless Bullets
RTBSS$4.75These weld on threaded bullet bungs are made of solid 304 stainless steel and drilled and tapped to you thread choice. These are blind bungs (hole does not go all the way through) and are rounded with a full radius at opposite end. 1.5" Overall... -
5/16" x 18 Stainless Threaded Bung
TB516CSS$4.00 - $4.255/16"-18 Stainless Steel Weld-In Threaded Bungs These 5/16"-18 weld-in threaded bungs are machined from solid stainless steel round stock and are built to handle demanding fabrication environments. Designed to accept standard SAE 5/16"-18 thread,... -
3/8" x 16 Stainless Threaded Bung
TB38CSS$4.00 - $4.253/8"-16 Stainless Steel Weld-In Threaded Bungs These 3/8"-16 weld-in bungs are precision-machined from solid stainless steel round bar, offering excellent strength and corrosion resistance for demanding fabrication jobs. Tapped to standard SAE 3/8"-16... -
1/2" x 20 Stainless Weld in Riser Spuds
WIRSss$12.75Stainless Weld In riser Spuds These can be used by anyone making there own set of t-bars or similar custom handlebars that don't use a riser clamp. They are welded on the inside of a piece of .120" wall tubing and provide the correct 1/2" dia bolt size... -
Stainless 1/4" Counterbore Bungs
CB14SS$4.00 - $4.25These weld on counterbored bungs are machined from solid stainless steel to accept socket head cap screws, AKA allen bolts; used for a super clean look. These come in a 5/8" outer diameter, drilled and counterbored to accept a 1/4" diameter bolt... -
Stainless 5/16" Counterbore Bungs
CB516SS$4.00 - $4.25These weld on counterbored bungs are machined from stainless steel to accept socket head cap screws AKA allen bolts used for a super clean look. All of them are made oin a 3/4" outer diameterand machined to accept a 5/16" dia bolt. BOLT SIZE LENGTH... -
Stainless 3/8" Counterbore Bung
cb38$4.00 - $4.25These weld on counterbored bungs are machined from 304 stainless steel to accept socket head cap screws AKA allen bolts used for a super clean look. Machined from solid stainless bar stock and drilled to accept a 3/8" diameter bolt. Commonly used... -
Stainless NPT Bungs
NPTss$3.75 - $5.50Stainless Steel NPT Weld-In Bungs – Precision Machined These stainless steel NPT weld-in bungs are machined from solid stainless steel bar stock, then drilled and tapped to National Pipe Thread (NPT) specifications for a clean, reliable fit... -
Stainless Coped Weld On Riser Spuds
CWORSSS$9.00Stainless Weld On Coped Riser Spuds These bungs are commonly used to take place of a standard bolt on riser clamp when building a set of handlebars. They are ment to be welded to your favorite set of bars using the coped part of the bung. They are... -
Stainless Steel Blind Threaded Tank Bungs
btbss$3.75These weld in Stainless steel bungs are commonly welded into fluid containers to provide a threaded mount. Offered in three different thread pitches. Thread Size Outer Diameter Overall Length 1/4" x 20 5/8" 1.25" 5/16" x 18 3/4" 1.25"... -
Stainless Heim Joint
SHJF$12.25 - $16.00These are stainless heim joints/ rod ends are used commonly in the bike industry for shifter rods. The common thread used in most Factory HD and aftermarket shifter rods is 5/16" x 24. Also available in 1/4 x 28. They can also be used when...
Stainless Steel Weld-On Bungs – Counterbored, Top Hat, Bullet & More
Bung King’s stainless steel weld-on bungs are engineered for strength, clean aesthetics, and long-lasting corrosion resistance—ideal for custom motorcycle and automotive fabrication. Each bung is CNC-machined in the USA from high-grade stainless steel to ensure a precise fit, clean threads, and easy welding to flat or curved surfaces.
Choose from a variety of stainless bung styles including counterbored bungs, top hat bungs, bullet bungs, and NPT-threaded options. These bungs are commonly used for fuel tanks, oil tanks, frame builds, and other custom tubing projects where precision and durability matter most.
Key Features:
Available in styles like counterbored, top hat, bullet, and NPT-threaded
Machined in-house from corrosion-resistant stainless steel
Clean, weld-ready surfaces for tubing or tank applications
Perfect for fuel, oil, or custom plumbing setups
Trusted by professional builders and DIY fabricators
Proudly made in the USA
When quality and fit matter, Bung King stainless bungs provide the precision and performance needed to complete your fabrication with confidence.
