1/4-Inch NPT Female Quick Connect Air Coupler for Industrial Use, 4-Ball Design, Hardened Steel With Nickel Plating, M/D Type Compatible Air Hose Fittings, Heavy-Duty Pack of 12

1/4-Inch NPT Female Quick Connect Air Coupler, 12-Pack
✔️ Hardened steel, nickel plating, 1/4 in NPT, 4-ball grip, 12-Pack

Industrial-grade quick connect air coupler with 1/4 in NPT female threads, built for heavy use in auto shops, garages, and manufacturing spaces. It’s compatible with standard M/D type plugs and a wide range of air hoses and tools.

✅ 1/4-Inch NPT female thread compatible with M/D type plugs and air hoses
✅ 4-ball bearing design for stronger, secure connections
✅ Hardened steel body with nickel plating for wear and corrosion resistance
✅ Max working pressure 300 PSI; temperature range -65°F to 250°F (-53°C to +121°C)
✅ Knurled sleeves and sleeve guards reduce accidental disconnections

💡 What is a 1/4 inch NPT air coupler used for in industrial pneumatic systems? This handy connector lets you swap tools quickly while keeping joints tight.

- Handy tool switching in auto shops and garages
- Sealed ball bearing design improves grip and reliability
- Nickel-plated steel body resists wear in harsh environments