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IRWIN® HSS Cobalt Drill Bits are perfect for drilling stainless steel and other high alloys. Their 135° split point grinding ensures perfect centri...

The IRWIN® HSS Pro Combination Drilling Set is supplied in a compact carry case and contains the following: 6 x HSS Cobalt Drill Bits: 2, 3, 3.5, ...

The IRWIN® HSS Pro Drill Bits are manufactured from high-quality HSS steel. They have precision ground cutting edges for fast drilling and perfect ...

IRWIN® HSS Pro Titanium Drill Bits designed for drilling metal and harder alloys, as well as being able to produce increased drill speeds of 40%-60...