DTH Products
DTH bit
The down-the-hole drill bit is also called the down-the-hole drill bit, which is connected with the impactor through the spline of the drill bit body to guide and transmit rotation for the impact. The drill bit and the impactor dive into the hole to break the rock. DTH bits include high wind pressure DTH bits, medium and low wind pressure DTH bits, which are mainly used for large-scale open-pit mines, underground ore mining, anchoring engineering, quarrying and rock drilling, construction engineering rock drilling and large-scale engineering construction.
| high wind pressure DTH bit | |
| Diameter | φ90-φ 203mm |
| Tail shank series | DHD340A DHD350R DHD350Q DHD360 QL60 RH500 |
| Head design | Convex concave plane |
| Tooth type | Ball Tooth |
| Medium and low wind pressure DTH bit | |
| Diameter | φ90-φ 203mm |
| Impactor Specifications | Dhd3.5 cir90 br33 cir100 ba-47 |
| Head design | Convex concave plane |
| Tooth type | Ball Tooth Pine Tooth |
| DTH Column Tooth | ||||||||
| LHS Product Model | Diameter mm | Teeth quantity and specification | Number and specification of face teeth | Tooth inclination | Number and diameter of water holes | Spline size | Key width mm | bit tail shank |
| ZQ105D2-50B1 | 105 | 6 * φ14mm | 6 * φ14mm | 45° | - | - | - | BA-47 |
| DZQ90D10-546B1 | 90 | 6 * φ14mm | 2 * φ 14mm 2 * φ 12mm | 45° | 2 * φ16mm | 8 * φ47.5mm | 11 | CIR90 |
| ZQ90D-537B2 | 90 | 6 * φ12mm | 7 * φ10mm | 45° | 2 * φ13mm | 7 * φ53mm | 10.3 | BR33 |
| DZQ110D8-604B1 | 110 | 6 * φ14mm | 4 * φ 12mm 3 * φ 12mm | 45° | 2 * φ18mm | 4 * φ60mm | 20 | CR100 |
| GZQT115E1-648 | 115 | 7 * φ16mm | 4 * φ 14mm 2 * φ 14mm | 40° | 2 * φ18mm | 8 * φ64mm | 12.2 | DHD340 |
| GZQ115F-6812 | 115 | 8 * φ14mm | 6 * φ14mm | 40° | 2 * φ16mm | 12 * φ67mm | 7 | RH500(4 inch) |
| GZQA170H1-10212 | 170 | 7 * φ16mm | 6 * φ14mm | 40° | 2 * φ18mm | 8 * φ64mm | 9.5 | QL60 |
| GZQ140F-888 | 140 | 8 * φ16mm | 8 * φ14mm | 40° | 2 * φ22mm | 8 * φ87.4mm | 13.76 | DHD350 |
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Tel.:0086-429-4428053 0086-429-4428052
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