Milwaukee Hole Dolzer Bi-Metal Hole Saw, 17 Piece Set 49224102.

Holesaw set ideal for cutting all types of materials. Constructed using high quality manufacturing techniques to ensure high rotational precision, making them suitable for use both in hand and pillar drills (manual feed only). Features Matrix II premium high speed steel tooth construction, containing 8% cobalt, allowing the teeth to retain the original tooth hardness even at high working temperatures when used in metal cutting applications. Back plates are constructed with thick steel to add strength an... - Manufacturers part numbers: 492GE|49224102