China Cutting-Edge Mining Solutions DTH Diamond Bits for Drilling Tools, Find details about China DTH Drill Bits, Mining Drill Bits from Cutting-Edge Mining Solutions DTH Diamond Bits for Drilling Tools
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 |