Shijiazhuang Zhongmei Coal Mine Equipment Co., Ltd.

coal drill bit

coal drill bit
Product Detailed

Due to the technique of finish casting and superior alloy, it has the features of large torque, wide drilling range and durable.

It is mainly connected with spiral drill shank and works with coal electric drill machine or portable drill machine. Due to the technique of finish casting and superior alloy, it has the features of large torque, wide drilling range, easy connection and durable.



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