The Irwin 3mm HSS Cobalt Drill Bit is a versatile size perfect for general metalworking applications in stainless steel and other high alloys. This diameter is commonly used for small to medium fixings, pilot holes, and everyday fabrication tasks where durability and performance are essential. Manufactured from high quality HSS steel with 5% Cobalt content, this drill bit offers exceptional heat resistance and significantly extended life when drilling demanding materials. The added Cobalt improv
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