?HSS twist drill:?toughness and precision combined with excellent cutting efficiency for drilling alloyed carbon and plain steel. Ideal for hand held operations.StrengthsDiameter diminutionIncreased center webPartial hardening of the flute lengthExtra sharp cutting edgesFastResilientHigh fracture resistance
ALPEN | HSS Sprint Jobber Drill Bit DIN 338 Carbon & Steel | 1mm – 8mm