Alpen Cobalt Drill Bit 3.5 Mm Bulk ALP613035

3,5 mm * Cobalt jobber drill bits in BULK For industrial application. 10 pieces in a handy plastic slip-open container. Range of application: 5% cobalt-alloyed jobber drills with high heat-resistance for drilling steels with tensile strength over 800 N/mm, especially suitable for high alloyed steels, bearing-steels, hot/cold-rolled steel.

Ideal for stainless steel. For drilling into: Structural steels < 400 N/mm Free cutting steels < 850 N/mm Unalloyed heat treatable steels < 1.100 N/mm Alloyed heat treatable steels < 1.300 N/mm Copper, brass, aluminium Stainless steels Grey cast iron, malleable cast iron Plastics