XCAN HSS Combined Center Drills 60 Degree Countersinks Angle Bit Set 1.0mm 1.5mm 2.0mm 2.5mm 3.5mm 5mm Metal Drill Bit
Description:
1. Center and spotting drills are traditionally used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking.
2. Used for producing center holds in components or work pieces with require machining between centers.