Aluminium Female NPT Weld Bung From: - Speedflow Products Pty Ltd They provide a secure way to connect lines through panels Installation instruction is not included They assure positive sealing and come in a corrosion-resistant finish. Weld Bung Fitting Weld Bung NPT/Female AN To NPT Hose Fittings 10AN Flare Weld Bung HEX 3/8 Inch Weld Bung For AN Hose The Ace Race Parts brand of NPT Weld Bungs are available in size ranges from 1/8 NPT to 3/4 NPT and are an affordable option for applications that... 3/8 inch npt female thread weld on bung (SIZE: Please refer to the photo shown), 22mm (0., 87) total OD, the step OD is 20mm., Material: aluminum, Aluminum welded bung Provides maximum protection against corrosion No longer do you need to worry about flaring and splitting SS tubing to make your connections M22 x 1.5 Stainless Steel 304 Female Threaded Stepped Weld Bung Metric Mounting Boss Fitting for O2 Oxygen Sensor - 34 Stepped design for ease of fabrication