HIGH SPEED: Quick cutting , and good chip removal.
SHARP AND Sharp and le, accurate positioning, centre drill bits, 6.5mm centre drill bit set, cutting edge c
Adv Pre ion tool to maintain the exact drilling position., 60 degree centre drill bits
HIGH QUALITY The bits are made of high quality HHS l, with high hardness and long service life. There are 4 types of center drill bits, meets your different requirements.
Package included: 4 Center drill bits Body diameter: 4mm 5mm 6mm 12mm Drill tip diameter: 1mm 2mm 2.5mm 5mm Total length: 36mm 41mm 45mm 61mm., 60 degree centre drill bits