carbide drill tips 1.tunsgten carbide 2.Grade: YG8,YG8C 3. ... quality cemented carbide goods.such as tungsten carbide insert,tips, drill bits, saw tips, triangle tips, square milling inserts, YG8 ... we have severial procedure to make sure the quality. carbide drill tips SPECIFICATION: 1.Material:Tungsten Carbide &Cobalt2.Grade:YG6, ... size and type can be chosse 4.Use of impact drill yg8 tungsten carbide ...