Description: Hole Saw arbor supplied with 6.35mm * pilot drill. Shank size 6.5mm *. Screw thread 1/2"-20. Screw thread 1/2"-20. Features: • Tool–free quick–release collar 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 • Full range of standard and quick change mandrels for versatility in a wide range of hole saw applications • spring–loaded collar that automatically engages drive pins to prevent hole saws from locking to the mandrel • All quick change mandrels utilize hardened steel construction and have been tested through 15,000+ cycles to deliver jobsite durability |