HSS Twist Drill Bits Standard: DIN338, DIN340, DIN345, DIN1897, DIN8039, Material: M42, M35, M2, HSS9341, HSS4341, HSS4241 HSS Twist DrillStandard: DIN338, DIN340, DIN345, DIN1897, DIN8039, Material ... : M42, M35, M2, HSS9341, HSS4341, HSS4241Process: Roll ...