ITEM NAME:6PC Combined HSS Center Drill Countersink Bit Lathe Mill Tackle Tool Kit Set M& Specification: Material: HSS Color: as picture shows Quantity: 6pcs per set (5/3/2.5/2/1.5/1mm) Features： 100% Brand New product. Double ended Each drill has a double end and is ground with a standard 60 degree angle. Center and spotting drills are traditionally used to make a conical hole for a lathe center in orderto make a starting point for a standard twist drill, designed to prevent the twist drill from walking. Used for producing center holds in components or work pieces with require machining between centers. Each of the following sizes: # 1 with 3mm body diameter & 1mm drill tip diameter # 2 with 4mm body diameter & 1.5mm drill tip diameter # 3 with 5mm body diameter & 2mm drill tip diameter # 4 with 6mm body diameter & 2.5mm drill tip diameter # 5 with 8mm body diameter & 3mm drill tip diameter # 6 with 12mm body diameter & 5mm drill tip diameter Package included: 6pcs x HSS Center Drill.Center and spotting drills are traditionally used to make a conical hole for a lathe center in orderto make a starting point for a standard twist drill, designed to prevent the twist drill from walking.
