The Irwin 1mm HSS Cobalt Drill Bit is perfect for precision drilling applications in stainless steel and other demanding materials. This fine diameter makes it ideal for pilot holes, delicate fabrication work, and applications requiring exact hole placement. Supplied in a convenient pack of 2, you'll have a spare ready when needed. Manufactured from high quality HSS steel with 5% Cobalt content, this drill bit offers exceptional heat resistance and durability when working with challenging materi
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