China SD High Air Pressure Down The Hole DTH Bits, Find details about China SD DTH Bits, DTH Button Bits from SD High Air Pressure Down The Hole DTH Bits
SD shank Bits | Bit Dia. | No. Air Holes | Gauge Buttons | Front Buttons | Weight (Kgs) | Part No. | |
mm | inch | ||||||
SD4 | 105 | 4 1/8" | 2 | 6×φ14 | 5×φ13 | 9.0 | SD4-105 |
110 | 4 1/4" | 2 | 7×φ13 | 6×φ13 | 9.5 | SD4-110 | |
115 | 4 1/2" | 2 | 7×φ14 | 6×φ13 | 9.8 | SD4-115 | |
120 | 4 3/4" | 2 | 8×φ14 | 6×φ14 | 11.5 | SD4-120 | |
127 | 5 | 2 | 8×φ14 | 7×φ14 | 12.3 | SD4-127 | |
SD5 | 133 | 5 1/4" | 2 | 7×φ16 | 6×φ14 | 15.5 | SD5-130 |
140 | 5 1/2" | 2 | 7×φ18 | 7×φ14 | 16.0 | SD5-140 | |
146 | 5 3/4" | 2 | 8×φ18 | 7×φ14 | 16.5 | SD5-146 | |
152 | 6" | 2 | 8×φ18 | 8×φ14 | 17.0 | SD5-152 | |
165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 19.0 | SD5-165 | |
SD6 | 152 | 6" | 2 | 8×φ16 | 8×φ16 | 26.0 | SD6-152 |
165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 28.0 | SD6-165 | |
178 | 7" | 2 | 8×φ18 | 8×φ18 | 31.0 | SD6-178 | |
190 | 7 1/2" | 3 | 9×φ18 | 9×φ16 | 34.0 | SD6-190 | |
203 | 8" | 3 | 9×φ18 | 9×φ18 | 36.0 | SD6-203 | |
SD8 | 195 | 7 11/16 | 3 | 9×φ18 | 9×φ16 | 32.0 | SD8-195 |
203 | 8" | 3 | 9×φ18 | 9×φ18 | 41.0 | SD8-203 | |
216 | 8 1/2" | 2 | 10×φ18 | 12×φ16 | 49.0 | SD8-216 | |
254 | 10" | 3 | 11×φ18 | 17×φ16 | 71.0 | SD8-254 | |
305 | 12" | 4 | 12×φ18 | 29×φ16 | 95.0 | SD8-305 | |
SD10 | 254 | 10" | 3 | 12×φ18 | 20×φ16 | 108.0 | SD10-254 |
305 | 12" | 4 | 12×φ18 | 36×φ18 | 125.0 | SD10-305 | |
311 | 12 1/4" | 4 | 12×φ18 | 36×φ16 | 130.0 | SD10-311 | |
318 | 12 1/2" | 4 | 12×φ18 | 38×φ16 | 142.0 | SD10-318 | |
330 | 13" | 4 | 16×φ18 | 42×φ16 | 155.0 | SD10-330 | |
SD12 | 305 | 12" | 4 | 12×φ18 | 36×φ16 | 156.0 | SD12-305 |
311 | 12 1/4" | 4 | 12×φ18 | 36×φ16 | 168.0 | SD12-311 | |
330 | 13" | 4 | 16×φ18 | 42×φ16 | 180.0 | SD12-330 | |
356 | 14" | 4 | 16×φ19 | 48×φ16 | 191.0 | SD12-356 | |
381 | 15" | 4 | 16×φ19 | 48×φ18 | 200.0 | SD12-381 |