The 210mm IRWIN Bi-Metal High Speed Hole Saw represents the largest size in the extended range, making it ideal for major industrial installations and substantial commercial construction projects. This substantial diameter accommodates oversized soil stacks, major ventilation systems and various large-scale industrial fixtures that require maximum clearance. Featuring robust bi-metal construction with electron beam welded teeth, this 210mm holesaw provides exceptional durability and cutting performance in the most demanding applications. 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: • 210mm diameter ideal for major industrial installations • Bi-metal construction ensures long-lasting blade life • Variable tooth pitch 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 industrial projects Specifications: Size (mm): 210 Material: Bi-Metal Pitch: Variable Diameter: 210mm