The DeWalt DW1803 7/16-Inch Quick Change Mandrel is used with a 1/2 inch or larger chuck and 1-1/4- to 2-1/8 inch hole saw. The primary application of a hole saw is to install pipe, copper tubing, or PVC. These saws can be used to cut a round hole in either wood or metal, and when used with the proper mandrel, they will fit most drills.

This Milwaukee Hole Saw Arbor has a 7/16 inch hex shank for greater gripping capability in the chuck. The backing plate is equipped with push pins which lock into holes on the backing plate of the hole saw for positive efficient transmission of torque. It can be used in 1/2 inch capacity drills and larger. The arbor has a 5/8-18 thread and can be used on hole saws from 1-1/4 inch and larger. It can be used with 49-56-8000, 49-56-8002 and 49-56-8005 pilot bits. Pilot Bit 49-56-8000 is supplied with this Arbor for use on wood and metal. One arbor and pilot per package.FEATURES: 7/16 in. hex shank. 5/8 in. - 18 thread. Standard pilot 49-56-8000. For Hole Saws 1-1/4 in. diameter and larger

6 Pc Set, 5/32 in., 3/16 in., 1/4 in., 5/16 in., 3/8 in.,1/2 in.. Set comes in plastic case.