Irwin Bi Metal High Speed Hole Saw – 10505820

The 177mm IRWIN Bi-Metal High Speed Hole Saw is an extended-range size specifically designed for substantial industrial installations. This larger diameter is particularly useful for major commercial ventilation systems, oversized drainage components and various industrial fixtures that demand generous clearances in commercial and industrial environments. Built with advanced bi-metal construction and electron beam welded teeth, this 177mm holesaw maintains sharpness and cutting efficiency through demanding use. The variable tooth design (4-6 pitch) ensures faster cutting action across multiple materials, from softwoods through to harder metals like stainless steel and iron. Features and Benefits: • 177mm diameter suits major industrial ventilation and drainage • Bi-metal construction delivers superior blade longevity • Variable tooth pitch (4-6) provides efficient material removal • Electron beam welded teeth maintain cutting performance • Compatible with aluminium, copper, iron, stainless steel, wood and zinc • Professional-grade quality for industrial applications Specifications: Size (mm): 177 Material: Bi-Metal Pitch: Variable Diameter: 177mm