pdc rock drill bits Size: OD94, OD113, OD150, OD171 pdc rock drill bitsPDC (Polycrystalline Diamond compact)drill bit is a new product after the hot-pressed and electroplated  drill bit in recent years. With special high-frequency welding tenhniques.PDC of high wear resistant is welded to the body as cutting edges.PDC bit is mainly used for geological prospecting,coal ecploration,water conservancy and power engineering,etc. Features:1.It has a super long life.The grinding/consumption ratio of PDC is 20-40 times higher than that of alloy bit and 10 times higher than that of diamond bit2.It has high drilling speed.3.It can be operated with low pressure and low speed.4.It has a good gauge protection.5.It can be used widely,more suitable for drilling in the stratum with hardness coefficient f<9.6.It has a low cost.

pdc rock drill bits