We Specialized in DTH hammers and bits, RC hammers and bits, tophammer button bits, and related products.
Hammer specifications:
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Hammers | Bit Shank | Connection Thread | Suitable bit | Working pressure |
| 2" | BR2 | RD50 box | ￠70-￠90mm | 0.7-1.75Mpa |
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| 3" | DHD3.5
COP32/COP34
M30 | API 2 3/8"Reg | ￠90-￠110mm | 1.0-1.5Mpa |
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| 4" | DHD340
COP44
QL40
SD4
M40 | API 2 3/8"Reg | ￠110-￠135mm | 1.0-2.5Mpa |
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| 5" | DHD350
COP54
QL50
SD5
M50 | API 2 3/8"Reg/API 3 1/2"Reg | ￠135-￠155mm | 1.0-2.5Mpa |
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| 6" | DHD360
COP64
QL60
SD6
M60 | API 3 1/2"Reg | ￠155-￠190mm | 1.0-2.5Mpa |
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| 8" | DHD380
COP84
QL80
SD8 | API 4 1/2"Reg | ￠195-￠254mm | 1.0-2.5Mpa |
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| 10" | SD10
Numa100 | API 6 5/8"Reg | ￠254-￠311mm | 1.0-2.5Mpa |
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| 12" | DHD1120
SD12
Numa120 | API 6 5/8"Reg | ￠305-￠445mm | 1.0-2.5Mpa |
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DTH hammers and bits range:
3" DTH hammer shanks : DHD 3.5, COP 34, COP 32, Mission 30, BR 3, Mach 303; bits (90mm - 105mm)
4" DTH hammer shanks: DHD 340/COP 44, COP 42, QL 40, SD 4, Mission 40; bits (105mm- 130mm)
5" DTH hammer shanks: DHD 350/COP 54, COP 52, QL 50, SD 5, Mission 50; bits (130mm- 165mm)
6" DTH hammer shanks: DHD 360/ COP 64, COP 62, QL 60, SD 6, Mission 60; bits (152mm- 203mm)
8" DTH hammer shanks: DHD380, QL 80, SD 8, Mission 80; bits (200mm- 305mm)
10"DTH hammer shanks: SD10,Numa100; bits(254mm-330mm)
12"DTH hammer shanks: DHD1120,SD12,Numa120,Numa125; bits(305mm-600mm)
DTH opener bits: 4"-10" from 82/165mm to 445/660mm
