Stainless Steel 304 Pro Grade One Half Inch NPT Female Threaded Stepped Weld Bung With Top Head For Exhaust And Oxygen Sensor Install CNC Machined For Tight Leak Free Fit Corrosion Resistant Durable Weld Bung For Custom Exhaust

Stainless Steel 1/2in NPT Weld Bung, 1 Piece Per Package
✔️ CNC machined 304 stainless, tapered 1/2 NPT, tight leak-free fit

This stainless steel 304 weld bung features a 1/2 inch NPT female thread and a stepped top head for a solid, weld-ready joint. CNC machined for precision and corrosion resistance, it's ideal for custom exhaust builds, downstream piping, and oxygen sensor installs.

✅ 1 piece per package
✅ Material: Stainless Steel
✅ Thread: NPT 1/2 inch, tapered one-way from head flange
✅ Stepped double-sided top head flange for strong weld area
✅ Laser engraved on top face for quick identification

💡 What is a stainless steel 304 weld bung with 1/2 NPT used for in exhaust and sensor installs?

It's a handy piece for adding sensors or sealing ports in exhaust systems and related piping.

- used on exhaust manifolds, down pipes, headers, and exchangers to add a sensor or port
- tapered one-way NPT thread provides a tight, leak-free seal when welded
- stainless 304 resists corrosion and heat in harsh exhaust environments
- laser-engraved top face helps quick identification during install
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