QL30/QL40/QL50/QL60/QL80 DTH Drill Bits With Carbide Buttons For Mining
QL30/QL40/QL50/QL60/QL80 DTH Drill Bits with Carbide Buttons for Mining
Product description
A Down the hole drilling is the most critical component on a drill rig, it is the most adaptable and may be utilized successfully in various ground conditions ranging from soft to medium to very hard,and it has numerous advantages over other options. The top Dth hammer system can provide satisfactory results in stiff uniform rock conditions for short holes, but they will most likely struggle in deep and soft ground with huge diameters.
2. The use of air makes this method very cost-effective as air does not have to be sourced, transported or treated.
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 | |
Bit Face Shape Selection:
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.
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