General Contractor
FAQ
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
How do I resharpen Irwin auger bits?
First never sharpen the outside edges of the bit that cut--the spur and sid... Read more
How do I resharpen Speedbor flat bits?
Use a small file to sharpen the top of the cutting edge and inside the spur... Read more