China Numa125 Down The Hole DTH Rock Drill Bit, Find details about China Numa125 DTH Bits, Numa125 Bits from Numa125 Down The Hole DTH Rock Drill Bit
For 12" hammer DTH bits shank | Bit Dia. | No Air Holes. | Gauge Buttons | Front Buttons | Weight (Kg) | Part No. | |
mm | inch | ||||||
DHD1120 | 305 | 12" | 4 | 12×φ18 | 36×φ16 | 152.0 | DHD1120-305 |
311 | 12 1/4" | 4 | 12×φ18 | 36×φ16 | 157.0 | DHD1120-311 | |
330 | 13" | 4 | 16×φ18 | 42×φ16 | 165.0 | DHD1120-330 | |
356 | 14" | 4 | 16×φ19 | 48×φ16 | 178.0 | DHD1120-356 | |
381 | 15" | 4 | 16×φ19 | 48×φ18 | 198.0 | DHD1120-381 | |
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 | |
NUMA120 | 305 | 12" | 4 | 12×φ18 | 36×φ16 | 152.0 | NUMA120-305 |
311 | 12 1/4" | 4 | 12×φ18 | 36×φ16 | 158.0 | NUMA120-311 | |
330 | 13" | 4 | 16×φ18 | 42×φ16 | 165.0 | NUMA120-330 | |
356 | 14" | 4 | 16×φ19 | 48×φ16 | 178.0 | NUMA120-356 | |
381 | 15" | 4 | 16×φ19 | 48×φ18 | 195.0 | NUMA120-381 | |
NUMA125 | 305 | 12" | 4 | 12×φ18 | 36×φ16 | 170.0 | NUMA125-305 |
311 | 12 1/4" | 4 | 12×φ18 | 36×φ16 | 173.0 | NUMA125-311 | |
330 | 13" | 4 | 16×φ18 | 42×φ16 | 182.0 | NUMA125-330 | |
356 | 14" | 4 | 16×φ19 | 48×φ16 | 191.0 | NUMA125-356 | |
381 | 15" | 4 | 16×φ19 | 48×φ18 | 200.0 | NUMA125-381 |