Luoyang Sinorock Engineering Material Co., Ltd.

anchor bolt,hollow anchor bolt,mining anchor bolt,rock bolt,hollow rock bolt, Manufacturer and Supplier - China(CN)

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  • Sinorock mining self drilling hollow rock bolt
    Sinorock mining self drilling hollow rock bolt

    Description : T30 rock bolt is one of the T-thread self-drilling hollow injection anchor bolt. It is composed by hollow anchor bar, anchor nut, anchor plate, anchor coupling, drill bit, centralizer, and the hollow anchor bars can be cut and lengthened by coupling on req