Shijiazhuang Zhongmei Coal Mine Equipment Co., Ltd.

Tool Parts
drill shank

drill shank

1. hihg strength 2. good toughness 3. scuff resistance and easy assemble 4. lenght is from 0.6-2.5 m The dirll shank is used for supporting the bolt supporting work. Adopting high quality cored hexagon steel, it has the follow the following characterrisitics: 1. hihg strength2....



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