General Contractor FAQ
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
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
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