39mm Mining Rock Split Set Friction Bolts Mining Roof Support For Mine Seam Pipe
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... mining and tunnel construction.The bolt consists of a high strength steel bolt with a ''U'' shape cross section and a longitudinal groove. To install a Split Set bolt, a hole is made in the rock with a diameter slightly smaller than...
HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
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Slotted Tube Friction Rock Bolt Split Set Bolt For Coal Mine Underground Support
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...Friction Rock Bolt Immediate Anchoring High Adaptability Slotted pipe anchors, also known as open type anchors or split set bolts, are full length friction anchors used in mining and tunnel support applications. These innovative support systems achieve reliable anchoring through pressure and friction......
Yanggu Henglong Construction Machinery Co., Ltd.
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