Hollow Self-drilling Anchor Bolt : Applications :The product is mainly used for weak rocks, loose soil, weathered layer, sand with stone layer and so difficult to create a hole in complex formation. In forepoling of the tunnel and a variety of slope...

Common groutable anchor bar : Common groutable anchor bar consists of hollow anchor bolt, anchor plate and anchor nut. It can be used in the supporting of all kinds of rock and soil, and suitable for the supporting of medium or long anchoring bolt,...

Steel anchor bar with expansion case :  Steel anchor bar with expansion case consists of steel anchoring head with expansion case, hollow slip casting bolt, slip stop plug, anchor plate and nut. This kind of bolt is used for rock supporting...