The Sinorock Friction Bolt is a new kind of bolt with full length anchorage and active reinforcement function. which is manufactured from a high strength steel tube, which has a slot along its entire length. A ring or collar is welded on the outer end to hold a domed plate to the rock surface. Fast, easy installation of our friction rock bolts reduces bolting costs. Rock bolts can be installed quickly, usually in less than a minute, using a jack drill, a stoper, a roof-bolting jumbo, or any other type of drill. Installation can be done in a few easy steps:
1 Drill the hole. 2 Replace the drill steel with a driver tool. 3 Slide the plate on the tube. 4 Drive the tube in with the drill / drifter
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Author : sinorock |
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