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Drill bits are used for drilling and the installation of anchor bars. They are provided as sacrificial drill bits (one time use only) and will be left in the borehole after the anchor bars are installed. Sinorock can provide a full range of drill bits according to customers' requirement. It's widely used in tunnel pre-support, soil nailing, slope stabilization, building foundation, etc.
SINOROCK self drilling hollow cross rock drill bit
Luoyang Sinorock Engineering Material Co.,Ltd
hollow anchor bar, drill bit, anchor coupling, anchor plate, anchor nut
