Milwaukee 49-56-9100 Hole Saw Arbor, 5/8-18 Thread, 7/16 in Shank, Hex Shank

Made from hardened carbon steel and alloy steel for greater durability. Features a drive plate which is tightened up to the hole saw to eliminate wobble between the arbor and hole saw, tool-free operation, universal quick change with all brands of hole saws with no Adapters required.