show quality 5/16 internal hex on plug, including sealing washer. (Don't settle for the ugly hex plug with no washer) you get the best for less $$$ 

 1-steel  Bung     

 1-steel Plug 

 1-copper sealing washer 

 MADE IN U.S.A.

M12mm x 1.25mm thread - steel pans on American, Japanese, European, cars, trucks, motorcycles - everything!


  • STEPPED/shaped to fit against pan with No grinding needed on pan, With our bungs just drill a 9/16" hole with a step drill and weld the bung on.  Save labor $ AND get a better fit!
  •  steel bung and steel plug, plus copper sealing washer. THIS IS WHAT THE TRANY SHOPS USE . .  Many people use these bungs with all types of steel tubing with no problem because the bung is much thicker than the tubing it works well. Normal mild steel welding rod/filler/wire can be used to weld these.    
  • CORRECTLY DIMENSIONED -thick enough so it won't warp when welding, CORRECT LENGTH.  Beware some other bungs or nuts are to thin, they will warp and leak or ruin the threads and they are a big pain to weld to the pan.
  • 1 to 100,000 VALUE Pack available here : 

1- STEEL DRAIN PAN KIT=(1-STEEL PLUG ,1-STEEL BUNG , 1-CU WASHER)

CLEAN THREADS AFTER WELDING

  •  We have THOUSANDS in stock in CALIFORNIA , no waiting for them to ship from overseas etc.
  • NEED SOME CUSTOM BUNGS MADE JUST FOR YOUR MANUFACTURING NEEDS?
  • How good is this product?=we sell to the largest Transmission company in the world
  • CALL 714-287-2205 for custom orders and bulk & shop  rates
  • shipped by USPS first class mail

 see our other LISTING to order BUNGS, PLUGS, WASHERS, MUTI PACKS

WE MAKE ALL BUNGS AND PLUGS IN BOTH STEEL AND STAINLESS STEEL

18mm-12mm adapter also available on my other listing

plugs, bungs, washers, sold separately on my other listings

DIAMENTIONS OF THE BUNG ARE = .500 TALL WITH THE STEP, (.300 w/out step) X .750 WIDE M12mm X 1.25mm THREAD, STAINLESS STEEL

INSTALATION REQUEIRS A 9/16" HOLE IN PAN WITH A STEP DRILL, THEN WELD

PLUG = .500 TALL,  M12mm X 1.25mm, 5/16" HEX, STAINLESS STEEL

WASHER = 12MM X 16MM X 1.5MM. COPPER

Shipment is made by USPS first class mail flat 301.1.0 rate, next day or same day by 12:00am If for any reason you have a problim getting your item please let me know as soon as possible. Tracking for these items is an extra charge at USPS. Please let us know if you want this extra service on your check out page