PDC drill bit:
Model：PDC core bit，PDC coreless concave compact bit，anchor bit，multi-wing scraper type compact bit, three-wing non-core type conpact bit
Application：for mining exploration, geological survey, water conservancy, hydropower, prospecting, water and electricity building and construction industry of road, railway, bridge and building
Size：60mm,65mm,75mm,94mm,113mm,133mm,153mm
Suitable for medium and hard rock, such as: limestone, hard siliceous lime layer, marble, sandstone, schist
