The 73mm IRWIN Bi-Metal High Speed Hole Saw is perfectly sized for larger commercial drainage and ventilation installations. This diameter is essential for substantial soil pipe work, commercial ventilation systems and various industrial fittings, making it indispensable for contractors specialising in commercial and industrial projects. Engineered with professional-grade bi-metal construction and electron beam welded teeth, this 73mm holesaw delivers consistent cutting performance through repeated use. The sharp, variable tooth design (4-6 pitch) provides efficient material removal with minimal vibration, ensuring accuracy in demanding applications. Features and Benefits: • 73mm diameter ideal for commercial soil pipes and ventilation • Bi-metal construction for exceptional durability • Variable tooth pitch (4-6) ensures smooth cutting • Electron beam welded teeth resist breakage under load • Cuts aluminium, copper, iron, stainless steel, wood and zinc • Professional quality built for commercial use Specifications: Size (mm): 73 Material: Bi-Metal Pitch: Variable

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