Hard Metal Hole Saw Set 9 Pieces in a practical storage case with a protective foam insert thickness of hole saw material: 1.2 mm suitable for all popular hand drills and cordless drill drivers ideal for cutting stone, light concrete, mortar, tiles, plasterboard 9-piece set: 6-hole saws, 2 center drills with adapter, 1 Allen key max. cutting depth: 25 mm hole saw diameter: 19 / 25 / 38 / 44 / 68 / 83 mm adapter thread diameter: 9.7 mm / 13.6 mm center drill length (with adapter): 99 / 102 mm adapter thread center drill (with adapter) Material: steel, carbon steel, plastic
