6 Pack 7/16-20 UNF Inner Hex Head Pipe Plug, Carbon Steel Socket Fitting with O Ring Seal for Closing Pipe Ends, High Pressure Washer, Irrigation, Sprinkler, and Fluid System Applications

7/16-20 UNF Inner Hex Head Pipe Fitting Plug
✔️ Carbon Steel Sealing Plug with O Ring 6 Pack

This is a 6-pack of inner hex head pipe fitting plugs made to close off pipe ends and pressure ports in fluid systems. These plugs are commonly used in irrigation lines, sprinkler systems, pools, cold water supply pipes, and high pressure washer setups where a tight seal and clean install are needed.

✅ Pack size: 6 pieces
✅ Thread specification: 7/16-20 UNF
✅ Material: zinc plated carbon steel
✅ Finish: corrosion resistant silver coating
✅ Head style: inner hex head for low profile, protected installation
✅ Seal type: integrated rubber O ring for leak prevention
✅ Application: pipe termination, pressure fittings, sensor ports
✅ Installation: installs easily with a standard hex wrench
✅ Recommended temperature limit: up to 100 C

Dimensions
Thread Size 7/16-20 UNF
Thread Length 0.26 inch 6.5 mm
Overall Diameter 0.47 inch 12 mm
Overall Height 0.55 inch 14 mm
Hex Width 0.20 inch 5 mm

💡 What is an inner hex pipe fitting plug used for in pressure systems?
It is used to securely seal unused ports while maintaining system pressure and preventing leaks.

• Precision threads help keep the plug tight under pressure and vibration

• O ring seal blocks fluid escape and protects the system from loss

• Carbon steel construction offers strength and wear resistance

• Inner hex design keeps the plug flush and protected from impact

This plug set is a handy solution when you need a compact, strong, and reliable seal for pipe ends and pressure ports in everyday fluid handling systems.