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389Anchor drill bits are used as consumables for drilling, and can usually be divided into two types, alloy drill bits and all-steel drill bits, which are produced by machining or casting production processes. Thread specifications：R25, R32, R38, R51, T30, T40, T52, T73, T76, T103, T111, T127, T130
Anchor drill bits are used as consumables for drilling, and can usually be divided into two types, alloy drill bits and all-steel drill bits, which are produced by machining or casting production processes.
Thread specifications：R25, R32, R38, R51, T30, T40, T52, T73, T76, T103, T111, T127, T130
