The 102mm IRWIN Bi-Metal High Speed Hole Saw is perfectly sized for substantial commercial drainage and larger industrial ventilation installations. This diameter is essential for larger bore soil stacks, commercial HVAC systems and various industrial fittings, making it indispensable for specialist contractors working on large-scale projects. Featuring robust bi-metal construction with electron beam welded teeth, this 102mm holesaw provides exceptional durability and cutting performance. The sharp, variable tooth design (4-6 pitch) delivers efficient material removal with reduced operator effort, producing clean holes whether working with timber or metal substrates. Features and Benefits: • 102mm diameter ideal for larger soil stacks and HVAC systems • Bi-metal construction ensures long-lasting blade life • Variable tooth pitch (4-6) enhances cutting efficiency • Electron beam welded teeth resist breakage under load • Cuts aluminium, copper, iron, stainless steel, wood and zinc • Professional quality for large-scale projects Specifications: Size (mm): 102 Material: Bi-Metal Pitch: Variable