2″ – 4.5 UNC Steel Class 8 Black Hex Heavy Nut
Heavy hex nuts are slightly larger and thicker than standard (finished) hex nuts, and are used in the Petrochemical and Oil & Gas industry.
Features:
- Commonly used in the Petrochemical and Oil & Gas industry
- Internal thread assists with clamping
- Hexagonal for use with spanners and sockets
- Black finish suitable for internal applications