The classification of carbide drill bit

Carbide indexable insert drills: Install carbide drill bits indexable insert drills processing aperture range is very wide, processing depth range of 2D ~ 5D (D for diameter) can be used lathes and other rotating machines. Welded carbide drill: welded carbide steel drill bit is firmly welded body made of a hard metal crown. This self-centering drill blade geometry type, small cutting force, for most workpiece materials can achieve good chip control, machined hole surface finish, dimensional accuracy and positioning accuracy are high, do not have to follow-up fine processing. The electroplated core drill bit uses internal cooling method can be used for machining centers, CNC lathes or other high rigidity, high speed machine. Replaceable carbide drill crowns: the crown replaceable carbide drill bit in recent years to develop a new generation of drilling tools. It consists of solid carbide steel drill body and replaceable crown combination, compared with welded carbide drill, the machining accuracy comparable, but the crown can be replaced, thus reducing processing costs, improve drilling productivity. This drill bit hole size to get an accurate incremental and self-centering function, so high precision aperture.