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      Mining PDC Roof Bolt Bits

      Mining PDC Roof Bolt Bits

      Features:
      • Manufactured by welding HMR’s high performance PDC cutters on alloy steel body.

      • Solid or laminated roof condition.

      • Aggrasive angle style. 

      • High performance PDC cutter.

      • Suitable for rock formation from f6~f14.

      PDC Roof Bolt Bits

      PDC Anchor Bits-3.png

      Specifications:

      • Bit diameter:φ26, φ27, φ28, φ30, φ32, φ42 

      • Thread shank: M14, M16, R17, R22

      • PDC shape: Flat or Dome

       4 types optional:

      • Ordinary type(half cut PDC cutter, 2-3PCS), suitable for soft formation  

      • Ordinary type(Complete piece PDC cutter, 2-3PCS),  suitable for soft to middle hard formation

      • Enhanced type(Complete piece PDC cutter, 2-3PCS), suitable for middle hard formation

      • Ultra-enhanced(Complete piece PDC cutter, 2-3PCS), suitable hard formation

      Applications:

      1. Mining

      2. Coal picking

      3. Tunneling

      4. Water conservation

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      女同互添下身视频在线观看