- Male National Pipe Taper (NPT) threads on male threaded pipes and fittings
- Made of stainless steel 304 for better strength
- Higher corrosion resistance than the 302 grade stainless steel
- Keep stable and reducing vibrations
Dernord a lock nut which has NPT threads for creating tighter seals than straight threads is used for fastening to a bolt when mechanically joining materials together and preventing loosening from vibration or back off. The hexagonal shape provides increased leverage for use with a wrench during installation and disassembly.