Brand Name: Kaishan
Minimum Order Quantity: 1 set
Packaging Details: Standard Export Packing
Delivery Time: 7-10 days
Payment Terms: L/C, T/T, Western Union
We produce an extensive range of DTH Bits using high gradesteel alloy, in various diameters ranging between 65 to 200mm (low air pressure) and 3″ to 12″ (high air pressure). These are available in different models and styles to suit specific drilling condition under different level. DTH bits manufactured by us are of long lasting quality to carry out the hole operations efficiently.
These bits provide efficient drilling and absolute balancing wear and fissure resistance. Easily penetrable for water well drilling and blasting holes for mining industry, these are designed to give superb performance.
Application :
DTH drill bits are mainly used in large-scale open-pit and underground ore mining, consolidation engineering, quarrying and rock drilling, construction engineering rock drilling, water well drilling, and large-scale engineering construction. it has the advantage of high flatness, smooth hole wall, high rigid of drill rod and hammer, independent of high axial thrust, no limit of drilling depth, low cost of devices and easiness to maintain
Advantage Of High Air Pressure DTH Bit:
1. Cemented carbide buttons
2. Excellent flushing
3. Spherical, ballistic, parabolic inserts
4. longer life
Features:
1. Reliable quality with steady performance
2. Strictly material chosen ensures long service life
3. Good flushing effect increases drilling rate
3 inch high air pressure DTH bits
| Drill bit | Bit diameter (mm) | No. air holes | Gauge buttons | Front buttons | Weight (kg) | Part No. |
 | 85 | 2 | 6XΦ13 | 4XΦ12 | 4.2 | HD35-85 |
| 90 | 2 | 6XΦ14 | 4XΦ12 | 4.5 | HD35-90 | |
| 95 | 2 | 6XΦ14 | 4XΦ13 | 4.8 | HD35-95 | |
| 100 | 2 | 6XΦ14 | 5XΦ12 | 5.0 | HD35-100 | |
| 105 | 2 | 6XΦ14 | 5XΦ13 | 5.5 | HD35-105 | |
 | 85 | 2 | 6XΦ13 | 4XΦ12 | 4.5 | QL30-85 |
| 90 | 2 | 6XΦ14 | 4XΦ12 | 4.7 | QL30-90 | |
| 95 | 2 | 6XΦ14 | 4XΦ13 | 4.9 | QL30-95 | |
| 100 | 2 | 6XΦ14 | 5XΦ12 | 5.0 | QL30-100 | |
| 105 | 2 | 6XΦ14 | 5XΦ13 | 5.5 | QL30-105 |
4 inch high air pressure DTH bits
| Mining Drilling Bits | Bit diameter (mm) | No. air holes | Gauge buttons | Front buttons | Weight(kg) | Part No. |
 | 105 | 2 | 6XΦ14 | 5XΦ13 | 8.5 | HD45-105 |
| 110 | 2 | 7XΦ14 | 6XΦ13 | 8.8 | HD45-110 | |
| 115 | 2 | 7XΦ14 | 6XΦ13 | 9.0 | HD45-115 | |
| 120 | 2 | 8XΦ14 | 7XΦ13 | 9.8 | HD45-120 | |
| 127 | 2 | 8XΦ14 | 7XΦ13 | 11.0 | HD45-127 | |
 | 105 | 2 | 6XΦ14 | 5XΦ13 | 9.0 | SD4-105 |
| 110 | 2 | 7XΦ14 | 6XΦ13 | 9.5 | SD4-110 | |
| 115 | 2 | 7XΦ14 | 6XΦ13 | 9.8 | SD4-115 | |
| 120 | 2 | 8XΦ14 | 7XΦ13 | 11.5 | SD4-120 | |
| 127 | 2 | 8XΦ14 | 7XΦ13 | 12.3 | SD4-127 | |
 | 105 | 2 | 6XΦ14 | 5XΦ13 | 9.0 | QL40-105 |
| 110 | 2 | 7XΦ14 | 6XΦ13 | 9.2 | QL40-110 | |
| 115 | 2 | 7XΦ14 | 6XΦ13 | 9.5 | QL40-115 | |
| 120 | 2 | 8XΦ14 | 7XΦ13 | 10.3 | QL40-120 | |
| 127 | 2 | 8XΦ14 | 7XΦ13 | 11.5 | QL40-127 | |
 | 105 | 2 | 6XΦ14 | 5XΦ13 | 6.0 | HM4-105 |
| 110 | 2 | 7XΦ14 | 6XΦ13 | 6.2 | HM4-110 | |
| 115 | 2 | 7XΦ14 | 6XΦ13 | 6.6 | HM4-115 | |
| 120 | 2 | 8XΦ14 | 7XΦ13 | 7.0 | HM4-120 | |
| 127 | 2 | 8XΦ14 | 7XΦ13 | 7.4 | HM4-127 |
5 inch high air pressure DTH bits
| Drill bit | Bit diameter (mm) | No. air holes | Gauge buttons | Front buttons | Weight(kg) | Part No. |
 | 135 | 2 | 7XΦ18 | 6XΦ14 | 15.0 | HD55-135 |
| 140 | 2 | 7XΦ18 | 7XΦ14 | 16.0 | HD55-140 | |
| 146 | 2 | 7XΦ18 | 7XΦ14 | 17.0 | HD55-146 | |
| 152 | 2 | 8XΦ18 | 8XΦ14 | 17.5 | HD55-152 | |
| 165 | 2 | 8XΦ18 | 8XΦ16 | 18.5 | HD55-165 | |
 | 135 | 2 | 7XΦ18 | 6XΦ14 | 15.5 | SD5-135 |
| 140 | 2 | 7XΦ18 | 7XΦ14 | 16.0 | SD5-140 | |
| 146 | 2 | 7XΦ18 | 7XΦ14 | 16.5 | SD5-146 | |
| 152 | 2 | 8XΦ18 | 8XΦ14 | 17.0 | SD5-152 | |
| 165 | 2 | 8XΦ18 | 8XΦ16 | 18.0 | SD5-165 | |
 | 135 | 2 | 7XΦ18 | 6XΦ14 | 15.5 | QL50-135 |
| 140 | 2 | 7XΦ18 | 7XΦ14 | 16.0 | QL50-140 | |
| 146 | 2 | 7XΦ18 | 7XΦ14 | 16.5 | QL50-146 | |
| 152 | 2 | 8XΦ18 | 8XΦ14 | 17.0 | QL50-152 | |
| 165 | 2 | 8XΦ18 | 8XΦ16 | 18.0 | QL50-165 | |
 | 135 | 2 | 7XΦ18 | 6XΦ14 | 12.5 | HM5-135 |
| 140 | 2 | 7XΦ18 | 7XΦ14 | 13.5 | HM5-140 | |
| 146 | 2 | 7XΦ18 | 7XΦ14 | 14.0 | HM5-146 | |
| 152 | 2 | 8XΦ18 | 8XΦ14 | 14.4 | HM5-152 | |
| 165 | 2 | 8XΦ18 | 8XΦ16 | 15.0 | HM5-165 |
6 inch high air pressure DTH bits
| Drill bit | Bit diameter (mm) | No. air holes | Gauge buttons | Front buttons | Weight(kg) | Part No. |
 | 152 | 2 | 8XΦ18 | 7XΦ16 | 22.0 | HD65-152 |
| 165 | 2 | 8XΦ18 | 8XΦ16 | 26.0 | HD65-165 | |
| 171 | 2 | 8XΦ18 | 8XΦ16 | 27.0 | HD65-171 | |
| 190 | 3 | 9XΦ18 | 9XΦ16 | 28.5 | HD65-190 | |
| 203 | 3 | 9XΦ18 | 11XΦ16 | 29.5 | HD65-203 | |
 | 152 | 2 | 8XΦ18 | 7XΦ16 | 26.0 | SD6-152 |
| 165 | 2 | 8XΦ18 | 8XΦ16 | 27.0 | SD6-165 | |
| 171 | 2 | 8XΦ18 | 8XΦ16 | 29.0 | SD6-171 | |
| 190 | 3 | 9XΦ18 | 9XΦ16 | 32.0 | SD6-190 | |
| 203 | 3 | 9XΦ18 | 11XΦ16 | 34.0 | SD6-203 | |
 | 152 | 2 | 8XΦ18 | 7XΦ16 | 24.0 | QL60-152 |
| 165 | 2 | 8XΦ18 | 8XΦ16 | 25.0 | QL60-165 | |
| 171 | 2 | 8XΦ18 | 8XΦ16 | 27.0 | QL60-171 | |
| 190 | 3 | 9XΦ18 | 9XΦ16 | 29.0 | QL60-190 | |
| 203 | 3 | 9XΦ18 | 11XΦ16 | 33.0 | QL60-203 | |
 | 152 | 2 | 8XΦ18 | 7XΦ16 | 22.0 | HM6-152 |
| 165 | 2 | 8XΦ18 | 8XΦ16 | 23.0 | HM6-165 | |
| 171 | 2 | 8XΦ18 | 8XΦ16 | 24.0 | HM6-171 | |
| 190 | 3 | 9XΦ18 | 9XΦ16 | 25.0 | HM6-190 | |
| 203 | 3 | 9XΦ18 | 11XΦ16 | 28.0 | HM6-203 |
8 inch high air pressure DTH bits
| Mining Drilling Bits | Bit diameter (mm) | No. air holes | Gauge buttons | Front buttons | Weight(kg) | Part No. |
 | 203 | 2 | 10XΦ18 | 10XΦ16 | 40.0 | HD85-203 |
| 216 | 2 | 10XΦ18 | 12XΦ16 | 49.0 | HD85-216 | |
| 241 | 2 | 12XΦ18 | 18XΦ16 | 64.0 | HD85-241 | |
| 254 | 3 | 12XΦ18 | 21XΦ16 | 71.0 | HD85-254 | |
| 305 | 4 | 12XΦ18 | 29XΦ16 | 95.0 | HD85-305 | |
 | 203 | 2 | 10XΦ18 | 10XΦ16 | 37.0 | SD8-203 |
| 216 | 2 | 10XΦ18 | 12XΦ16 | 48.0 | SD8-216 | |
| 241 | 2 | 12XΦ18 | 18XΦ16 | 63.0 | SD8-241 | |
| 254 | 3 | 12XΦ18 | 21XΦ16 | 70.0 | SD8-254 | |
| 305 | 4 | 12XΦ18 | 29XΦ16 | 94.0 | SD8-305 | |
 | 203 | 2 | 10XΦ18 | 10XΦ16 | 35.0 | QL80-203 |
| 216 | 2 | 10XΦ18 | 12XΦ16 | 49.0 | QL80-216 | |
| 241 | 2 | 12XΦ18 | 18XΦ16 | 64.0 | QL80-241 | |
| 254 | 3 | 12XΦ18 | 21XΦ16 | 71.0 | QL80-254 | |
| 305 | 4 | 12XΦ18 | 29XΦ16 | 95.0 | QL80-305 | |
 | 203 | 2 | 10XΦ18 | 10XΦ16 | 35.0 | HM8-203 |
| 216 | 2 | 10XΦ18 | 12XΦ16 | 40.0 | HM8-216 | |
| 241 | 2 | 12XΦ18 | 18XΦ16 | 54.0 | HM8-241 | |
| 254 | 3 | 12XΦ18 | 21XΦ16 | 57.0 | HM8-254 | |
| 305 | 4 | 12XΦ18 | 29XΦ16 | 77.0 | HM8-305 |
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