1,PDC bit,PDC drilling bits,rock bits 2.certified by ISO,API ... best price 5.delivery on t 1,Types: pdc drill bit which are used for mining pilling, water well drilling or oil well ... "(45 mm)to 26"(660 mm)6,Moq:1 piece7,Bit body Color: can be as you like: matrix body, ... ,very hard formation .We have different and suitable types12,Button bit: small tooth, big tooth,conical inserts,chisel inserts13,Packing: ...