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
Can I drill out the arbor to make this fit my saw? Why or why not?
NO, because the metal will heat up and melt the insides causing the laser t... read more
What is the recommended bit speed for flat bits? I am sure that the speed varies by bit diameter and wood species
We have a recommended turning speed of 1500 - 2000 RPM on the IRWIN Speedbo... read more