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Hex Drill System
  • Hex Drill System
    •  

      Coal bolting bits 
       

       
      Main Standard(mm)
       
      序列號
      D
       
      B
       
      d
       
      H
      27
      16
      24
      57
      HQ27-B16
      35
      22
      32
      67
      HQ35-B22
       
       
       
       
       
      D
      H
      L
      M(thread)
       
      27
      44
      17
      M12
      HQ27/2
      32
      54
      17.5
      M12
      HQ32/2
      42
      52
      22
      M14
      HQ42/2
      65
      60
      22
      M16
      HQ65/2
       
       
       
       
       
      D
      H
      L
      d
       
      40
      65
      23.5
      8.2
      HQ40/2
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人人超碰人人爱超碰国产
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