Krino 4.0Mm Cobalt Hss Drill Bit Disp Pk KR011440400

Krino Cobalt HSS Twist Drill Bits are ground from the solid with 5% cobalt (Co). The added 5% cobalt improves the red hardness (heat resistance) of the drill bit and results in significantly extended life.

The 130° self-centring split point for drilling into alloy steel, cast iron, stainless steel and metals up to R = 1200 N/mm². Produced in accordance with DIN 338 for high precision tolerances and geometric accuracy.