Our DTH drill bits are wear-resistant and always maintain sharpness, greatly improving drilling speed.DTH Rock Drilling Bits
Our DTH drill bits have strong wear resistance and good diameter protection, which can effectively utilize the cutting teeth.
The dth hammer is suitable for drilling into hard rock formations, and the borehole is not easily deviated, making it more superior for use in hard formations.
| Hammer Inch | Bit Diameter | Bit 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 |
