Shank QL Series DTH Hammer Bits For Water Well Geothermal Drilling
DTH Hammer Bits with Shank QL Series for Water Well Geothermal Drilling
Product description
Sollroc's DTH hammer and bit are made by finest mechanical process, special heat treatment with intensive quality control by our engineers. With such effort, we have been manufacturing various products which have outstanding drilling speed, and pressure intensity with effective air pressure transmission.
Therefore, our products are widely utilized in wide range of construction sites.
2. Less weight-on-bit allows for lighter rigs that are easier to set up and takedown.
3. Since cutting force is supplied by reciprocal force, the bit encounters lesser deflection and therefore drills more precisely.
4. Rate of penetration of DTH is 2-5 times greater than the rotary drilling technique.
5. Lesser time consumed compared to when the contractor has to be changed when geology changes.
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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