DEWALT DW1810 3/8-Inch Quick Change Mandrel (9/16-Inch to 1-3/16-Inch )
Dewalt DW1810 3/8-Inch Shank Quick Change Mandrel (Fits Hole Saws 9/16-Inch - 1-3/16-Inch) offers a tool-free quick-release collar to prevent hole saws from locking to the mandrel.  This mandrel features double set screws with a recessed combination head for quick and easy centering bit changes. This hole saw mandrel utilizes hardened steel construction and has been tested through 15,000+ cycles to deliver jobsite durability. Dewalt offers a full range of standard and quick change mandrels for versatility in a wide range of hole saw applications, and the pilot bits feature the patented Dewalt Pilot Point Tip for faster material penetration, particularly in metal.