Hard Taper shank twist drills Our factory supply: end mill,gear hob,machine tap,hobbing cutter,drill,band saw blade,hss tool bi ... , twist drill, HSS tool bits, gear hob,....Product features: Hard Taper shank twist drillsStandard: DIN338 Production technics: 1. Roll forged; 2 ... : Split point drills available from 3mm and above sizes. Hard Taper shank twist drills