7/16-Inch Shank Quick Change Mandrel 71-291

Heavy Duty 7/16″
Shank Quick Change Mandrel (Fits Hole Saws 1-1/4-Inch – 6-Inch)

Technical Details
DW1810 offers tool-free quick-release collar to prevent hole saws from
locking to the mandrel
DW1803 and DW1805 offer spring-loaded collar that automatically engages
drive pins to prevent hole saws from locking to the mandrel
All quick change mandrels feature double set screws with a recessed
combination head for quick and easy centering bit changes
All quick change mandrels utillize hardened steel construction and have
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

Black
Decker 71-2917/16-Inch Shank Quick Change Mandrel