女同互添下身视频在线观看

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      Products
      Mining PDC Concave Bits

      Mining PDC Concave Bits

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

      • Feature long life and high impact resistance.

      • Relatively low-cost drilling consumable.

      • High penetration rate.

      • Robust wings.

      PDC Concave Bits

      Made by high wear resistance and high impact resistance, oil standard PDC cutters

      PCD Concave Bits-5.png

      Features of PDC Cutters: 

      • Diamond thickness: 1.8-2.4mm

      • Wear Ratio:>36 million

      • Thermal Stability:>750℃

      • Impact Resistance:>20J

      Recommended Applications:

      Water well

      Mining exploration & Probing 

      Geothermal, Geological prospecting

      -----Suitable for soft to medium hard  formations-----

      Available Sizes:

      • φ65mm
      • φ75mm
      • φ94mm
      • φ113mm
      • φ133mm
      • φ153mm
      • φ173mm


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      女同互添下身视频在线观看