Irwin® 10504181 Bi-Metal High Speed Holesaw 44Mm

The 44mm IRWIN Bi-Metal High Speed Hole Saw is perfectly sized for installing downpipe connectors, larger ventilation grilles and substantial plumbing fixtures. This diameter is frequently specified for rainwater and soil pipe installations, making it essential for roofing contractors and drainage specialists. Built with advanced bi-metal construction and electron beam welded teeth, this 44mm holesaw delivers reliable performance across multiple materials. The sharp, variable tooth design (4-6 pitch) ensures efficient material removal with reduced operator fatigue, producing clean holes whether working with fascia boards or metal cladding. Features and Benefits: • 44mm diameter suits downpipes and ventilation grilles • Bi-metal construction ensures long-lasting blade life • Variable tooth pitch (4-6) provides efficient cutting • Electron beam welded teeth resist wear and breakage • Cuts aluminium, copper, iron, stainless steel, wood and zinc • Professional quality for roofing and drain