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T thread self drilling rock bolt adopts groove-thread anchor bar, it can bond hollow bar with grouting materials effectively. It can be widely used in different projects, such as: mining, tunneling, hydroelectric station, civil construction and so on.
Sinorock mining galvanized self drilling anchor rock bolt
Luoyang Sinorock Engineering Material Co.,Ltd
hollow anchor bar, drill bit, anchor coupling, anchor plate, anchor nut
