Product name: High air pressure hammer drill bit /DTH bit /QL60 bit
DTH bits are used for blast hole drilling: Working with DTH hammer, mainly applied in mining, marble quarry or well drilling and other construction projects. Materials: high quality carbide + high quality carbon steel
Button Material: YK05
Compatibility series:Â COP/SD/DHD/IR/mission/QL
| Hammer inch | Bits diameter | Shank | |
| Metric | Inch | ||
| 1" | 64mm-70mm | 2 1/2"-2 3/4" | BR1 |
| 2" | 70mm-95mm | 2 3/4"-3 3/4" | MACH20/BR2 |
| 3" | 90mm-102mm | 3 1/2"-4" | COP32/COP34/MACH303 |
| M30/DHD3.5/BR3 | |||
| 4" | 105mm-152mm | 4 1/8"-6" | COP44/DHD340/MACH44 |
| SD4/M40/QL40 | |||
| 5" | 133mm-165mm | 5 1/4"-6 1/2" | COP54/DHD350R/MACH50 |
| SD5/M50/QL50/BR5 | |||
| 6" | 152mm-254mm | 4 1/8"-10" | COP64/DHD360/SD6 |
| M60/QL60/Bulroc BR6 | |||
| 8" | 203mm-330mm | 8"-13" | COP84/DHD380/SD8 |
| QL80/M80 | |||
| 10" | 254mm-380mm | 10"-15" | SD10 |
| NUMA100 | |||
| 12" | 305mm-508mm | 12"-20" | DHD1120/SD12 |
| NUMA120/NUMA125 | |||
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Our advantage:
*Italian Cieffe Forni automatic heat treatment production n>
*hot inlaid process of bit buttons
*Hammer working pressure from 6 to 35 bar
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