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Down-The-Hole DTH drilling bits DHD, COP, QL, SD, Mission Shanks
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Down-The-Hole DTH drilling bits DHD, COP, QL, SD, Mission Shanks

Quantity:
  • Diameter: 85mm-381mm
  • Zuanshan
  • China
  • 1
  • T/T
DTH Button Bits:

DTH button bit diameter: 85mm to 381mm;
DTH button bit shank style: DHD3.5, DHD340, DHD350, DHD360, DHD380, COP34,COP44,COP54,COP64,COP84, SD4, SD5, SD6, SD8, QL40,QL50,QL60,QL80, Mission 40, Mission 50, Mission60, Mission 80, BR2, BR3, Mach33, etc;
DTH button bit face design: Flat face, convex face, concave face, DGR;
DTH button bit carbides style: hemi-spherical(round), Parabolic(semi-ballistic), Ballistic(conical).

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