How do I resharpen Irwin auger bits?
First never sharpen the outside edges of the bit that cut--the spur and sid... read more
What does the 'Bi-Metal' mean when referring to a utility blade?
The bi-metal terminology refers to how the utility blade is constructed. W... read more
IRWIN Lettered and Numbered Drill Bits information:
Letter and numbered drill bits were developed to make up the gaps in betwee... read more