New Rapid Core eject holes saws allow you drop out the core at the touch of a button. Made with tough bi-metal steel. Variable tooth pitch guarantees a fast and clean cut through all thicknesses. Cutting depth of up to 1-7/8".
My analysis OF this hole saw attachment showed that it is an incredibly powerful addition to my cutting tools. The rapid eject mechanism is a game changer, allowing me to switch between hole saws quickly and easily. The build quality is top-notch ensuring that the attachment will last for a long time. The only downside is the price, but the quality makes it worth the investment..
I originally bought a set of Spyder Bi-Metal and Carbide Bits for masonry. I messed up one of the carbide drill bits by setting the drill bit to hammer mode. This quickly led to the carbide teeth being knocked out and the chisel being destroyed. Haven't learned anything since the change. When drilling metal studs, I turned on the drill at too high a speed and rounded off the teeth of the bimetal saw. After the replacement, I read the instructions and made sure I was using a slow drill speed so…