Tungsten Cemented Carbide Inserts for Mining Drill Bits
Tungsten Cemented Carbide Inserts for Mining Drill Bits Cobalt Based Buttons Zhuzhou China OEM Manufacturer Direct Wholesale Grade Representative Performance Index Recommended Applications Hardness Density Traverse Strength N/mm2 (HRA) (g/cm3) 3000 Used as an insert of whirly rock drilling machines