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DTH Hammer and Bits
1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special innerstructure of GM series DTH hammer designed according to newest rock drilling theory.
2. Smooth performance and long service life of GM series DTH hammer due to high quality alloy steel materialsand advanced processing technology adapted.3. Low problem rate and easy to maintenance due to simple , reliable and easy assemble and disassembleinner structure of hammer.4. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.5. Interchangeable with DTH bit and drill pipeDTH Hammer and Button bits Size available:DTH bits from 85mm to 330mm.
The main products are:1. Similar or equal DHD, COP and SD series hammers, our DTH hammers includeG24(2"),G3.5(3"),G44(4"),G54(5"),G64(6"),G84(8")
2. Similar or equal DHD, COP and SD series hammers,Our DTH bits range include
85mm, 90mm, 95mm,100mm, 105mm, 110mm, 115mm 120mm, 127mm, 133mm, 140mm, 146mm, 152mm, 165mm, 175mm,190mm, 203mm, 216mm 254mm, 305mm, 330mm, etc.
Mission 30,Mission40,Mission50/55,Mission 60,Mission 60W.Mission 65,Mission 85
Mission SD4,Mission SD5,Mission SD6,Mission SD8
QL40,QL50,QL60,QL80
CIR65,CIR80,CIR90,CIR110
COPROD89,COPROD102,COPROD127
| Hammer type | Bits | Face design | API thread | Diameter | Work pressure |
G24(2") | 76/80mm | Flat/Concave/Convex | F42×10×1.5 | 70mm | 6-25 bar |
| G3.5(3") | 90-100mm | Flat/Concave/Convex | 2 3/8" REG | 80mm | 6-25 bar |
| G44(4") | 105-130mm | Flat/Concave/Convex | 2 3/8" REG | 99mm | 6-25 bar |
| G54(5") | 134-152mm | Flat/Concave/Convex | 2 3/8" REG 3 1/2" REG | 124mm | 6-25 bar |
| G64(6") | 152-254mm | Flat/Concave/Convex | 3 1/2" REG | 137mm | 6-25 bar |
G84(8") | 203-305mm | Flat/Concave/Convex | 4 1/2" REG | 182mm | 10-25 bar |
DTH Ballistic bit for DTH hammer