Bungs

Aluminum Cap and Aluminum Bung 2" Outside Diameter.Made of 6061 T-6 Aluminum.

1/8" NPT Steel Weld-In Bung

Mark Williams Enterprises 2-1/2" fill cap & bung with external threads. Cap is black anodized and includes rubber o-ring.

Aluminum 2-1/2" O.D. cap with o-ring seal.  Aluminum bung with internal threads. Available in plain black or RJ logo. Most commonly used for aluminum fuel tanks.

Aluminum 2-3/4" O.D. cap with o-ring seal.  Steel bung with internal threads. Available in plain black or RJ logo. Most commonly used on rear end housings.

The fill cap is made of aluminum and bung is made of steel with internal threads.       See image for I.D and O.D   

These aluminum weld-in bungs are commonly used in radiators, oil tanks, overflow tanks, etc. Available sizes: 1/8" NPT, 1/4" NPT, 1/2" NPT, and 3/4" NPT

Add a drain plug to your project using this bung and plug.