- Durable hardened steel construction
- Fits all hole saws up to 1-3/16 in.
- Fits all drill chucks 1/4 in. and larger
Milwaukee hole saw arbors are made from hardened carbon steel and alloy steel for greater durability. The 49-56-6950 arbor drives from the 3-flat shank of the pilot bit, which won't slip in the chuck.