Irwin Bi Metal High Speed Hole Saw

The 133mm IRWIN Bi-Metal High Speed Hole Saw is perfectly sized for substantial commercial drainage and larger industrial ventilation installations. This diameter is essential for installing larger diameter soil stacks, commercial HVAC components and various industrial fixtures, making it indispensable for contractors specialising in large-scale projects. Featuring robust bi-metal construction with electron beam welded teeth, this 133mm holesaw provides exceptional durability and cutting performance. The variable tooth design (4-6 pitch) delivers faster cutting action with reduced operator fatigue, producing clean holes whether drilling through timber or metal substrates.