Changsha Sollroc Engineering Equipments Co., Ltd
FOCUS IN MANUFACTURING OF HIGH QUALITY DTH AND RC DRILLING TOOLS.
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QL Series Full Size High Air Pressure DTH Drill Bits for Water Well Drilling
Product description
DTH bit is the tool that is attached to the end of the DTH hammer.It is responsible for cutting into the rock surface and breaking up the material. DTH bit come in various sizes and shapes,depending on the type of material being drilled and the desired hole size.Some common DTH bit types include concave,flat and convex.
1. Low cost.
2. Reduces auxiliary time effectively.
3. Reduction in the time of washing off well.
4. Straighter/cleaner holes.
5. Wide range of hole sizes available, without high expenditure.
6. Quieter than other percussive systems.
QL Series DTH drill bit specification:
| QL shank Bits | Bit Dia. | No. Air Holes | Gauge Buttons | Front Buttons | Weight (Kgs) | Part No. | |
| mm | inch | ||||||
| QL30 | 85 | 3 11/32" | 2 | 6×φ13 | 4×φ12 | 4.5 | QL30-85 |
| 90 | 3 1/2" | 2 | 6×φ14 | 4×φ12 | 4.7 | QL30-90 | |
| 95 | 3 3/4" | 2 | 6×φ14 | 4×φ13 | 4.9 | QL30-95 | |
| 100 | 3 7/8" | 2 | 8×φ12 | 6×φ12 | 5.0 | QL30-100 | |
| 105 | 4 1/8" | 2 | 8×φ13 | 6×φ12 | 5.5 | QL30-105 | |
| QL40 | 105 | 4 1/8" | 2 | 6×φ14 | 5×φ13 | 9.0 | QL40-105 |
| 110 | 4 1/4" | 2 | 7×φ13 | 6×φ13 | 9.2 | QL40-110 | |
| 115 | 4 1/2" | 2 | 7×φ14 | 6×φ13 | 9.5 | QL40-115 | |
| 120 | 4 3/4" | 2 | 8×φ14 | 6×φ14 | 10.3 | QL40-120 | |
| 127 | 5 | 2 | 8×φ14 | 7×φ14 | 11.5 | QL40-127 | |
| QL50 | 133 | 5 1/4" | 2 | 7×φ16 | 6×φ14 | 15.5 | QL50-130 |
| 140 | 5 1/2" | 2 | 7×φ18 | 7×φ14 | 16.0 | QL50-140 | |
| 146 | 5 3/4" | 2 | 8×φ18 | 7×φ14 | 16.5 | QL50-146 | |
| 152 | 6" | 2 | 8×φ18 | 8×φ14 | 17.0 | QL50-152 | |
| 165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 19.0 | QL50-165 | |
| QL60 | 152 | 6" | 2 | 8×φ16 | 8×φ16 | 25.0 | QL60-152 |
| 165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 27.0 | QL60-165 | |
| 178 | 7" | 2 | 8×φ18 | 8×φ18 | 28.5 | QL60-178 | |
| 190 | 7 1/2" | 3 | 9×φ18 | 9×φ16 | 31.0 | QL60-190 | |
| 203 | 8" | 3 | 9×φ18 | 9×φ18 | 33.0 | QL60-203 | |
| QL80 | 195 | 7 11/16 | 3 | 9×φ18 | 9×φ16 | 32.0 | QL80-195 |
| 203 | 8" | 3 | 9×φ18 | 9×φ18 | 41.0 | QL80-203 | |
| 216 | 8 1/2" | 2 | 10×φ18 | 12×φ16 | 49.0 | QL80-216 | |
| 254 | 10" | 3 | 11×φ18 | 17×φ16 | 71.0 | QL80-254 | |
| 305 | 12" | 4 | 12×φ18 | 29×φ16 | 95.0 | QL80-305 | |
Detail photos:
Company informaiton
At sollroc, customer satisfaction is our top priority. Our sales team takes a proactive approach in meeting customers’ needs. We take the time to get to know you and learn about your operations so we can better assist you. We strive to meet customers’ needs by supplying the tools and equipment you need when you need them, providing product support, and following through with excellent customer service every step of the way.