The Irwin 6mm HSS Cobalt Drill Bit is a versatile size perfect for a wide range of metalworking applications in stainless steel and other high alloys. This popular diameter is commonly used for M6 clearance holes, medium-duty fabrication work, and general drilling tasks where durability and performance are crucial. The drill bit body is manufactured from premium HSS steel containing 5% Cobalt, which significantly enhances the red hardness (heat resistance) and results in extended service life. T
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