High speed steel, Bi metal, Variable pitch tooth, Plumpers holesaw kit. Kit containing one of each of the following. 19, 22, 29, 38, 44 and 57mm holesaws 1 x 3/8in Hexagon arbor for holesaw sizes 14-30mm 1 x 7/16in Hexagon arbor for holesaw sizes 32-152mm 1 x Arbor adaptor Supplied in a sturdy auminium case. All holesaws are manufactured from a bi-metal material with hardened teeth made from high speed steel and a variable tooth pitch for fast smooth cutting. Bi-metal holesaws offer increased safety as they will not shatter under load. They are ideal for use on a wide variety of materials including wood, chipboard, plywood, non laminated plastics, plasterboard and non ferrous metals. Suitable for use in most variable speed power drills.
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