Down The Hole Rock Water Well DTH Hammer Drill Bit
Product Description:
The PDC drill bits we offered are used to penetrate the degassing hole, drain hole, and grouting hole of coal mine, water canservancy, water well and hydropower, road construction, bridge and building ect.
Product Advantage:
1. We choose the best PDC cutters with excellent wearability and impact toughness, make the working life of our PDC drill bits are much longer than the other's,
2. We built our own factory of drill bits. All our goods pass through our rigid quality control before shipment .
3. We have rich experience in the field of large engineering projects such as dam construction, road and railway construction , We have our own construction team.
