... .Oil and Gas PDC bit manucaturer 2.PDC bit IADC M123/122,M223/243/232,M323/333,M423,M841 3.For oil/ ... Oilfield PDC drill bit/PDC oil bit/PDC bit/ PDC blade bit/PDC drilling bitDiameter(in):3-7/8,8-1 ... /8,12-1/4,16,17-1/2API CONN.(in):4-1/2,6-5/8,7-5/8Cutter ... :suitable for soft to medium hard formationsmedium parabolic profile and scientific cutter densityhigher quality PDC cutter, which ensure longer ...