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
I just purchased an IRWIN chalk reel and I'm not sure which color chalk I should use for different applications.
Choosing the appropriate chalk if very important. Blue chalk is considered ... 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