Our QL shank of DTH bit is usually applied in water well drilling, quarrying, mining blasting hole drilling, etc. The available shank models include Mission30, Mission40, Mission50, Mission60, Mission80, and SD12.
| Shank Style | Diameter (mm) | Flat Face | Convex Face | Concave Face |
|---|---|---|---|---|
| MISSION30 | 90 | ✓ | ✓ | ✓ |
| 95 | ✓ | ✓ | ✓ | |
| MISSION40 | 105 | ✓ | ✓ | ✓ |
| 110 | ✓ | ✓ | ✓ | |
| 115 | ✓ | ✓ | ✓ | |
| 120 | ✓ | ✓ | ✓ | |
| 127 | ✓ | ✓ | ✓ | |
| MISSION50 | 135 | ✓ | ✓ | ✓ |
| 140 | ✓ | ✓ | ✓ | |
| 145 | ✓ | ✓ | ✓ | |
| 152 | ✓ | ✓ | ✓ | |
| 165 | ✓ | ✓ | ✓ | |
| MISSION60 | 152 | ✓ | ✓ | ✓ |
| 165 | ✓ | ✓ | ✓ | |
| 171 | ✓ | ✓ | ✓ | |
| 190 | ✓ | ✓ | ✓ | |
| 203 | ✓ | ✓ | ✓ | |
| MISSION80 | 203 | ✓ | - | ✓ |
| 216 | ✓ | - | ✓ | |
| 241 | ✓ | - | ✓ | |
| 254 | ✓ | - | ✓ | |
| 305 | ✓ | - | ✓ | |
| SD12 | 305 | ✓ | - | ✓ |
| 311 | ✓ | - | ✓ | |
| 325 | ✓ | - | ✓ | |
| 381 | ✓ | - | ✓ | |
| 400 | ✓ | - | ✓ |
Established in 2002, is a leading company specializing in DTH rock drilling tools. The company covers 60,000 square meters and employs over 100 technical experts, with 50 having more than 20 years of experience. We offer a wide range of products, including DTH hammers and bits (3" to 43"), deep hole drilling tools, eccentric and concentric casing systems, RC hammers and bits, and rock drill accessories. These tools are used in mining, water wells, geothermal exploration, and construction. Following ISO9001:2015 quality standards, using advanced manufacturing equipment, the company exports to over 50 countries, providing high-quality drilling solutions.





