A coreless drill bit is a special type of drill bit set if used in cnc machines could greatly enhance the performance and the speed of operation. The coreless drill bit has no central shaft, instead it has a cylindrical shape. The bore of the drill bit is made using helical contact technology to increase drilling torque and reduce breakage
The coreless drill bits are also called spiral shank, spiral shank drills or spiral shank bits. They are mainly used in CNC lathes, milling machines and other cutting tools with high precision requirements.
changing the drill bit in cnc printer