Description Drillpro 6pcs 5 3 2 5 2 1 5 1mm 60 Degree HSS Center Drills Bit Countersink DrillSpecification Material High Speed SteelQuantity 6pcsTypeBody diameter Drill tip diameter 13mm1mm 24mm1 5mm 35mm2mm 46mm2 5mm 58mm3mm 612mm5mm Features 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 order to 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 Package Included 6 x Drillpro HSS Center DrillMore Details