Irwin IRW10504182 Bi-Metal High Speed Holesaw 46mm The Irwin bi-metal holesaws have been designed for the professional and made to provide long-lasting performance for use in general construction electrical installation plumbing heating and ventilation and remodelling applications. The sharp variable tooth (4-6 pitch) design provides a faster cutting action and enhanced performance in a variety of materials and cutting applications. The bi-metal construction and the electron beam welded teeth give the user a stronger longer-lasting blade. The Irwin holesaw range is available from sizes 14 mm (9/16in) to 152 mm (6in) with a line up of high-quality arbors and a pilot drill to cover all application requirements. Cuts a variety of materials including: aluminium copper iron stainless steel wood and zinc. Size: 46 mm dia
