
Tungsten carbide center drill bit is made of high quality tungsten carbide with the advantages of high hardness, wear resistance, corrosion resistance, high temperature resistance, etc., so that the drill bit has the advantages of accurate positioning, quick cutting, good chip removal, and high efficiency. And therefore the center drill bit is mainly used for center hole processing on the end faces of shafts and other parts. More specifically, it is mainly applied for precise positioning of prefabricated holes and…