1.PDC drill bit 2.best price 3.wide size code 4. ... the Y3107/M715 PDC drill bit are as following:1.using a self-sharp-type sintering in tungsten carbide impregnated carcass on ... drilling. We are handling in tricone bits, PDC bits, core drill bits, drilling accessories and so on.Here is the range ... of tricone drill bit:sizebit typein.mm6152.4136,127,517,537,617,6376 ...