China Down The Hole Bit for Rock Drilling DTH Bit Ql30, Ql40, Ql50, Ql60, Ql80, Find details about China DTH Bit, DTH Hammer from Down The Hole Bit for Rock Drilling DTH Bit Ql30, Ql40, Ql50, Ql60, Ql80
QL series DTH Bits shank | Bit Dia. | Air Holes No. | 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 |