Brief Introduction:

The hexagonal nuts are manufactured from high precision steel with chamfered edges on both ends from high precision steel,
and tempered to meet the stringent demand on anchor specification and the daily operation of underground work.


Sinorock? is an experienced manufacturer with more than ten years history in the production of anchoring products. It's specialized in the development, production and sales of anchoring products. All the products delivered to customers have passed strict quality testing. Sinorock? has full range of anchoring products, including self drilling anchor bolt, expansion shell anchor bolt, FRP anchor bolt, friction rock bolt, etc