... Taper Shank Twist Drill Bits:Our factory supply: end mill,gear hob,machine tap,hobbing cutter,drill,band ... , diamond tool, thread tap, ball nose, twist drill, HSS tool bits, gear hob,....Product DescriptionStandard: DIN341 ... 753061853544172305775142606323061853554172305785142606333341854564222355795142606343391904574222355805142606353291904584222355 363441954594222355 HSS Taper Shank Twist Drill Bits