1/8″ NPT Leak-Proof Grease Coupler – 10000 PSI Carbon Steel for Heavy Machinery
1/8 npt leak-proof grease coupler, machinery leak-free lubrication fitting, 10000 psi threaded grease coupler
Description
1/8″ NPT Leak-Proof Grease Coupler – 10000 PSI Carbon Steel for Heavy Machinery

⭐Key Selling Points
- 10000 PSI Pressure Resistance – For heavy industrial use
- Carbon Steel with Black Oxide Coating – Anti-rust & wear-resistant
- 1/8″ NPT Universal Thread – Fits all standard grease guns
- Leak-Proof Precision Jaws – Tight seal on industrial fittings
📋Product Specifications
| Item | Details |
|---|---|
| Working Pressure | 10000 PSI (689 Bar) |
| Material | Carbon Steel with Black Oxide Coating |
| Thread Size | 1/8″ NPT (Universal) |
| Compatibility | Industrial Machinery, Construction Equipment |
📍Application Scenarios
- Excavators, loaders and heavy manufacturing equipment lubrication
- Construction site machinery (bulldozers, cranes) maintenance
- Factory workshops (generators, compressors) servicing
💬Customer Reviews
★★★★★
“This high pressure grease coupler handles 10000 PSI easily on our factory excavators. No leaks and the heavy duty steel build lasts forever!”
— Alex K., Industrial Manager, USA
★★★★★
“The heavy duty grease coupler is perfect for our construction crew – stands up to daily use on rough job sites.”
— Ben M., Construction Foreman, Canada











