Box Of 250 Built Like A Tank 1/4 Inch FNPT T Style Pneumatic Plugs Case Hardened Steel Plated Rust Resistant 300 PSI 40 SCFM Heavy Duty Industrial Air Tool Fittings
✔️ Case hardened steel plated 300 PSI rated industrial fittings
This set contains two hundred fifty threaded closure caps designed to seal off unused air line ports on compressors and factory piping. Workers typically install them in automotive shops, manufacturing plants, or HVAC service bays to stop compressed air from leaking out while equipment sits idle.
✅ Case hardened steel build resists bending under shop impact
✅ Zinc plated surface shields against workshop moisture and rust
✅ Matches 1/4 inch female national pipe thread male connectors
✅ Handles steady 300 pounds per square inch working load
✅ Moves 40 standard cubic feet per minute without restriction
✅ Rated safe up to 250 degrees Fahrenheit system heat
💡 What steps prevent air leaks when capping unused threaded manifold ports?
Blocking off dead branches stops pressure drops and keeps your compressor running lean. It also makes the whole shop setup handy when you need to swap out tools fast.
- Pick case hardened steel closure pieces that match your existing pipe thread pitch
- Screw them straight into the fitting until a firm hand tight prevents cross threading
- Leave a wrench contact point on the flat sides to torque everything down without stripping metal
- Swap worn zinc plated options whenever you spot moisture damage on older hardware