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.PTDIRW10502529
