Irwin Bi Metal High Speed Hole Saw

The 111mm IRWIN Bi-Metal High Speed Hole Saw is an excellent choice for larger commercial drainage and substantial industrial ventilation work. This diameter is frequently used in industrial settings where larger service penetrations are required, accommodating substantial soil stacks, commercial ventilation systems and various industrial fixtures. Featuring robust bi-metal construction with electron beam welded teeth, this 111mm 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.