Blind Tank Bungs

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  • Assorted stepped blind tank bungs in mild steel – 1/4-20, 5/16-18, 3/8-16 thread sizes Assorted stepped blind tank bungs in mild steel – 1/4-20, 5/16-18, 3/8-16 thread sizes

    Stepped Blind tank bungs

    SBTB
    $4.25
    Stepped Blind Tank Bungs – 1018 Mild Steel These stepped blind threaded bungs—also known as top hat bungs—are ideal for welding into gas tanks, oil tanks, or any steel fluid container. Precision-machined from 1018 cold rolled mild...
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  • Stainless Steel Stepped Blind Tank Bungs in 1/4-20, 5/16-18, and 3/8-16 thread sizes 5/16-18 Stainless Steel Weld-In Bung – Blind Threaded

    Stainless Stepped Blind Tank Bungs

    SBTB-SS
    $4.95
    Stainless Steel Stepped Blind Tank Bungs – Top Hat Style for Fluid Containers These stainless steel stepped blind bungs—also known as top hat bungs—are perfect for fabricating or modifying gas tanks, oil tanks, or any stainless fluid...
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  • Cold rolled mild steel blind tapped threaded tank bungs weld in weld nut 3/8 X 16, 5/16 X 18 Cold rolled mild steel blind tapped threaded tank bungs weld in weld nut 3/8 X 16, 5/16 X 18

    Steel Blind Threaded Tank Bungs

    BTB
    $3.25
    These are steel weld in bungs that are tapped at one end blind (not all the way through).  These  are commonly welded into fluid containers to provide a threaded mount. They are available in three different thread sizes.  Metric Sizes also...
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  • aluminum blind threaded weld in tank bung 5/16 x 18 and 3/8" x 16 aluminum blind threaded weld in tank bung 5/16 x 18 and 3/8" x 16

    Aluminum Blind Threaded Tank Bungs

    btbal
    $3.75
    These blind tapped tank bungs are made from 6061-T6 aluminum.  They are commonly used to weld into fluid containers to provide a threaded, leak proof mount.  They come in two different thread pitches.  The larger diameter allows more room...
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  • stainless steel blind threaded weld in tank bung fluid container catch tank tapped to 1/4" x 20, 5/16 x 18, 3/8" x 16 thread stainless steel blind threaded weld in tank bung fluid container catch tank tapped to 1/4" x 20, 5/16 x 18, 3/8" x 16 thread

    Stainless Steel Blind Threaded Tank Bungs

    btbss
    $3.75
    These 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"...
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  • All three sizes of 6061 aluminum blind stepped bungs – 1/4-20, 5/16-18, 3/8-16 for tanks Aluminum stepped tophat threaded weldi in bung tank mounting bung 1/4"-20, 5/16-18, 3/8"-16 thread

    Aluminum Stepped Blind Tank Bungs

    ASBTB
    $4.50
    6061 Aluminum Blind Threaded Stepped Bung – For Fuel, Oil & Catch Tanks These weld-in aluminum blind threaded bungs—also known as top hat bungs—are ideal for custom fabrication of aluminum gas tanks, oil tanks, coolant catch tanks,...
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Blind Tank Bungs – Weld-On Bungs for Fluid Tank Mounting


Bung King's blind tank bungs are precision CNC-machined in the USA from high-quality steel, stainless steel, and aluminum, specifically designed for mounting on fuel tanks, oil tanks, overflow tanks, and other fluid-containing components. These weld-on bungs feature a solid (blind) back to eliminate through-holes, preventing fluid leaks while still offering a strong threaded connection point.

 

Perfect for mounting tanks to frames or brackets without compromising the sealed structure of the tank, our blind bungs are available in multiple thread sizes and material options to suit a wide range of custom motorcycle and fabrication needs.

 

Key Features:

 

Blind design prevents fluid leaks from tanks and sealed containers
Available in steel, stainless steel, and aluminum
Ideal for mounting fuel tanks, oil tanks, and similar components
CNC-machined in-house in the USA for strength and precision
Offered in various thread sizes for custom fitment
Weld-ready and trusted by builders and fabricators


When leak prevention and reliable mounting matter, Bung King blind tank bungs deliver professional-grade results for your fluid tank applications.