METAL DRILL BIT 4.6MM HSS-CO COBALT DIN338

- 5% cobalt-alloyed jobber drills with high heat-resistance for drilling steels with tensile strength over 800 N/mm²specially suitable for high alloyed steels, bearing-steels, hot/cold-rolled steel - ideal for stainless steel - highly accurate: special shape, drills without center-punching - break resistant thanks to CNC heat treatment - industrial quality: suitable for NC machines - Ø 4,6 mm - overall length 80 mm - thread length 47 mm