Sinodrills DTH bits are made of superior quality alloy steel, which is made in the U.S. Besides, all our DTH bits use the premium T.C carbide, which provides the T.C buttons for the famous brand.
The DTH bits are the tool for cutting rock. Sinodrills DTH bits are made of superior quality alloy steel, which is made in the U.S. Besides, all our DTH bits use the premium T.C carbide, which provides the T.C buttons for the famous brand. In addition, art manufacturing technology makes our DTH bits with higher and more reliable quality.
• Premium alloy buttons;
• Premium alloy steel for skirts;
• Skirts are nitriding-processed, featuring better wearing quality;
• Complete sizes and specifications, compatible with most mainstream-branded DTH hammers.
Mining, quarrying, water well drilling, geothermal well drilling, foundation piling, etc.
| Diameter in mm | Face design | Weight | |||
| Flat Face | Convex Face | Concave Face | |||
| QL40 | QL40-105 | √ | √ | √ | 8.4 kg |
| QL40-110 | √ | √ | √ | 8.8 kg | |
| QL40-115 | √ | √ | √ | 9.0 kg | |
| QL40-120 | √ | √ | √ | 9.5 kg | |
| QL40-127 | √ | √ | √ | 9.9 kg | |
| QL50 | QL50-135 | √ | √ | √ | 16.2 kg |
| QL50-140 | √ | √ | √ | 16.6 kg | |
| QL50-146 | √ | √ | √ | 17.1 kg | |
| QL50-152 | √ | √ | √ | 17.8 kg | |
| QL50-165 | √ | √ | √ | 18.0 kg | |
| QL60 | QL60-152 | √ | √ | √ | 22.3 kg |
| QL60-165 | √ | √ | √ | 24.4 kg | |
| QL60-171 | √ | √ | √ | 24.8 kg | |
| QL60-190 | √ | √ | √ | 29.0 kg | |
| QL60-203 | √ | √ | √ | 33.0 kg | |
| QL80 | QL80-203 | √ | √ | 48.5 kg | |
| QL80-216 | √ | √ | 50.1 kg | ||
| QL80-241 | √ | √ | 60.1 kg | ||
| QL80-254 | √ | √ | 62.5 kg | ||
| QL80-292 | √ | √ | 83.9 kg | ||
| QL80-305 | √ | √ | 85.0 kg | ||
