Shijiazhuang Zhongmei Coal Mine Equipment Co., Ltd.

drill bit

drill bit
Product Detailed

Thebit is used for drilling the rock with hardness f10.

high-grade diamond segment material with super hardness and good toughness

 

advanced welding technique and equipments.

 

 it is used for drilling the rock with hardness f≥10.

 

 better drilling efficiency, longer service life and lower cost.



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