Body: Hardened by heat treatment.
Surface: Nitriding solution to increase the surface hardness
Grade: 4140 or any othet grade
SMC are supplying different kinds of components for grounding system for underground mining and tunnelling industries.
The parts can be heat treated to increase the hardness, and also by different kinds of surface treatment
Like nitriding to increase the surface hardness to increase the life time for all the wearing parts.
Sizes can be customized
Body: Hardened by heat treatment.
Surface: Nitriding solution to increase the surface hardness
Grade： 4140 or any othet grade
Body hardness: hardened as per customer demand
Surface hardness: Nitirding as per customer demand.
OD & ID: customized
Packaging of Hollow Thread Bar:
