Outer Hex Head Pipe Plug Fitting 3 By 8 NPT Male Stainless Steel 304 Pack Of 4 Heavy Duty Pro Grade Leak Proof Threaded Plumbing Plug For Water Gas Oil Systems Built To Last With Corrosion Resistant Construction

Stainless 3/8 NPT Hex Pipe Plugs Pack of 4
✔️ 3/8 inch NPT male hex head plug, corrosion resistant

These heavy duty outer hex head pipe plugs are crafted from 304 stainless steel to seal off unused ports in water, gas, and oil systems. They’re ideal for engines, manifolds, water pumps, and sensor ports in automotive, industrial, and plumbing setups.

✅ Size: 3/8 in NPT male thread; actual diameter 0.675 in (17.15 mm)
✅ Material: solid 304 stainless steel for corrosion resistance and strength
✅ Sealing: NPT threads seal tighter than straight threads
✅ Hex design: solid hex head for easy wrench tightening and removal
✅ Applications: closes ports on intake manifolds, engine blocks, water pumps, and sensor holes

💡 What is a handy hex head pipe plug used for in industrial plumbing and engine assemblies? A hex head pipe plug seals unused ports to prevent leaks in water, gas, and oil systems. - Handy end closures for manifolds, engines, and pumps - Easy wrench tightening and removal due to the hex head design - 304 stainless steel provides corrosion resistance and long life