The Irwin Metric HSS Cobalt Drill Bits are perfect for drilling stainless steel and other high alloy steels. They have 5% cobalt for higher heat and abrasion resistance and a heavy-duty web construction for strength and durability. The 135° split point begins drilling immediately, minimising bit walk and they are manufactured to DIN 338 Standards.

The IRW10502529 HSS Cobalt Drillbits are supplied in a pack of 10.

Specifications:
Diameter: 5.5mm.
Total length: 93mm.
Working length: 57mm.