Add a female metric-threaded port to any aluminum tank with these 6061-T6 aluminum weld-in fittings. A 1/8" deep flange at the base makes welding easier without hindering flow or drainage. Sold individually.
These weld bungs are designed to be sealed with an Aluminum Crush Washer (Part No. 3278-Mxx, sold separately). We offer a wide variety of Metric to AN Adapters as well.
Two bungs are shows to illustrate the inside and outside of the bung. Bungs are sold individually.