PDC (polycrystalline diamond drilling bits) is processed in line with API Spec Q1&API Spec7. Landrill tools supplies different kinds of drilling bits from 4 inch to 12 1/4 inch for different purposes, ranging from PDC bit, triangle polycrystalline diamond drilling bits, cylindrical PDC bit, coring bit, cast bit, PDC deflecting bit etc as per requirements.
Tri-cone Bit mainly used for large-scale opencast mining, such as opencut coal mine, copper, molybdenum ore , iron mine and various nonferrous metal mining, have high drilling efficiency and low cost. According to the company\\'s developing strategy, our tri-cone bits have revised thrust bearing structure, inverted valve and dorsal metacarpal diversion structure, which we have property right on. Up to now, based on the demands of customers, we have developed two standard series, more than fifty products, which can be used for different formations.
