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 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
Does the spade bit #88810 fit in the regular bit extensions #88702 that are not Quick-Change.
No, the 88810 (SPEEDBOR2000's) will not fit into the old extensions, 88702 ... read more