Durable RHC Steel GT60 DTH Button Bits With Precise Mechanical Processing

WT-Quality first excellent quality Good reputation RHC steel GT60 DTH Button Bits Description: 1.Our products are widely used in drilling open-pit and underground blastholes, water and thermal boreholes, tunneling, hydraulic engineering, geological exploration, oil and gas exploitation, bridge and architectural construction etc. 2.Color can be painted according to your need. 3.we packed all products by wooden case or upon your requirements. 4.We have higher tecnology