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Mechanical rock bolt Mechanical rock bolt
Mechanical rock bolt
 Mechanical rock bolt is used for initial rock support in tunnels.This bolt has a 150 mm thread at each end. The bolt is used with an expansion shell for end anchoring at hole bottom.             
                     Mechanical Rock Bolt M20 Data Sheet Download
                         Mechanical Rock Bolt M22 Data Sheet Download
                         Mechanical Rock Bolt M24 Data Sheet Download
                         Mechanical Rock Bolt M33 Data Sheet Download

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