Sinodrills DTH Bit
Sinodrills DTH Button Bit
DTH button bit diameter: 76mm to 311mm;
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);
We can design by customer's requirement.3" DTH hammer bits (90mm - 105mm): DHD 3.5, COP 34, COP 32, Mission 30, BR 3, Mach 303,
4" DTH hammer bits (105mm- 130mm): DHD 340/COP 44, COP 42, QL 40, SD 4, Mission 40, XL 4, Mach 44,
5" DTH hammer bits (130mm- 152mm): DHD 350/COP 54, COP 52, QL 50, SD 5, Mission 50, XL 5,
6" DTH hammer bits (152mm- 171mm): DHD 360/ COP 64, COP 62, QL 60, SD 6, Mission 60, XL 6,
8" DTH hammer bits (200mm- 305mm): DHD380, QL 80, SD 8, Mission 80,
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