China DTH 127mm Drill Bit for Impact Hammer Bits, Find details about China DTH Drill Bits, Quarry Rock Drill Bits from DTH 127mm Drill Bit for Impact Hammer Bits
head shape | head diameter/mm | shank length /mm | spline | weight/kg |
convex face | 108 | 209 | 8 | 7.85 |
convex face | 115 | 209 | 8 | 8.22 |
convex face | 127 | 209 | 8 | 8.88 |
convex face | 130 | 209 | 8 | 9.15 |