Milwaukee 49-56-7240 Hole Large Arbor: Optimal Drilling Solution for Precision and Efficiency Review

The old fashioned big hole mandrel, part number 7140, had a habit of self destructing and losing parts. Instead of trying to fix it I just bought a new updated version which is much better. This significantly speeds up the process of replacing crowns.

This is the toughest tool you'll ever need for the size of saws it's designed for. I used it with a 4-1/8" hole saw to cut a hole for a dust box hole in an exterior metal door. It cut through like a hot knife through butter. never came along like some.

Milwaukee 49-56-7240 Large Arbor Hole Saw 7/16" Q/ C, Ergo GripBuilt like a tank. The quality is obvious. The package does not include an Allen key to remove the drill. However, the drill has a key; it has a flat spot where a hex bolt can be mounted. But you better not lose the screw! Don't rely on storing it in a plastic bag; Store it in a plastic container. Some may prefer a flathead or Phillips screwdriver instead of an Allen key. Once you find the right hex wrench, you'll want to keep it…