First are the hole saws, which are the "saw blades" and come in various sizes and configurations of cutting teeth. The second is the arbor, also called a mandrel, which mounts the hole saw on a ...

Hole saw sizes from 3⁄4 inch all the way to 6 inches. $77.52; Buy Now. ... Release the saw body from the mandrel then ram it backwards against the base to eject the waste disc.

Then drill a 1/2” hole into the center of one half of the ball and insert your hole saw mandrel. The ball will catch the debris and prevent it from falling on your face or the floor.

The E0100231 is one of the best hole saws we’ve used. Each body snaps easily onto and off the mandrel (the base that holds the saw blade and centers the drill bit in it).

We'll be using a 4.5-inch/114mm hole saw to create our fan blowhole, with a pilot drill mandrel. In case you're not familiar with this tool, a hole saw basically attaches to your drill, and ...