China Taper Button Bits Manufacturer DTH Bit for Rock Drilling Work, Find details about China DTH Drill Bits, Mining Drill Bits from Taper Button Bits Manufacturer DTH Bit for Rock Drilling Work
head shape | head diameter/mm | shank length /mm | spline | weight/kg |
double huage button concave face | 450 | 405 | 12 | 291.5 |
double huage button concave face | 500 | 405 | 12 | 340 |
double huage button concave face | 550 | 405 | 12 | 397 |
double huage button concave face | 600 | 405 | 12 | 469 |