PORANTERÄSARJA 10-PCS 3-10MM HSS-CO PZ-COBALT, ALPEN

- HSS-ECo drill bit set (DIN 1897 PZ) - 5% cobalt alloyed jobber drills with high heat-resistance - for drilling steels with tensile strength over 800 N/mm² - industrial quality, suitable for NC machines - highly accurate, special shape drills without center-punching - break resistant thanks to CNC-heat treatment - sizes: Ø 3,0 - 3,2 - 3,5 - 4,0 - 4,2 - 4,5 - 5,0 - 6,0 - 8,0 - 10,0 mm