What is the function of the hole in an auger bit?
The hole in the flute of the Installer Bits is to hook a wire through to ai... 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
I just used the large hole saw to drill through my door and it worked great. Now I have to use the small hole saw and the mandrel-pilot bit will not fit into it. What should I do?
The large hole saw has an adapter in it. When using this hole saw first, th... read more