... different size, such as: PDC drag bit, PDC anchor shank bit, PDC oil bit etc IntroductionPDC bit uses PDC as main cutting components, ... as cutting edges.PDC bit is mainly used for geological prospecting,coal exploration,water conservancy and power engineering,etc.Features1. It ... cover the following:Drag bit are manufactured from forged high quality alloy steel and PDC cutter insert, plus state of art ...