Shijiazhuang Zhongmei Coal Mine Equipment Co., Ltd.

Coal Drill Bit

Coal Drill Bit
Product Detailed

It is mainly combined with spiral drill shank and works together with coal electric drill machine or portable drill machine.

Specification:  Drilling Hole Diameter:φ30,φ42

                      Connective Dimension: φ8.5,φ12.5

 

Types: Dry type, Wet type

 

Features: It is mainly combined with spiral drill shank and works together with coal electric drill machine or portable drill machine. Adopting the technic of finish casting and being made of high-grade alloy, the bits have following features: large torque, wide drilling range, easy connection and durable.



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