Shijiazhuang Zhongmei Coal Mine Equipment Co., Ltd.

Anti-collapse High-efficiency Combined Drill Bit

Anti-collapse High-efficiency Combined Drill Bit
Product Detailed

The high efficiency and high strength,Can take reverse rotation

Anti-collapse high efficiency combined drill bit has the high efficiency and high strength, it adopts multistep drilling mode: the first class is two-wing drilling, the second class is expanding bit which adopts three-wing drilling, the third class is anti-collapse drill bit which can take reverse rotation to carry out reverse cutting when you meet the collapse.

Product standard

Boring diameter

φ76,φ94,φ110

Coupling dimension

18X18,24X24

Special service base on customer request.



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