China Low Pressure DTH Drilling Tools Hammer Bit CIR Bits, Find details about China Quarry Bit, Stone Drill Bit from Low Pressure DTH Drilling Tools Hammer Bit CIR Bits
head shape | head diameter/mm | shank length /mm | spline | weight/kg |
concave face | 154 | 231 | 12 | 21.6 |
flat face | 165 | 231 | 12 | 21.8 |
concave face | 171 | 231 | 12 | 23.3 |
concave face | 178 | 231 | 12 | 24.3 |
concave face | 190 | 231 | 12 | 25.5 |
concave face | 203 | 231 | 12 | 28.7 |