Irwin Bi Metal High Speed Hole Saw – 10504209

The 117mm IRWIN Bi-Metal High Speed Hole Saw is an excellent size for larger industrial installations and commercial construction applications. This diameter is particularly useful for substantial drainage systems, commercial ventilation terminals and various industrial fittings that require generous clearances through structural elements. Built with advanced bi-metal construction and electron beam welded teeth, this 117mm 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 iron and stainless steel. Features and Benefits: • 117mm diameter perfect for industrial drainage and ventilation • Bi-metal construction delivers superior blade longevity • Variable tooth pitch provides efficient material removal • Electron beam welded teeth maintain sharpness • Compatible with aluminium, copper, iron, stainless steel, wood and zinc • Professional-grade tool for commercial applications Specifications: Size (mm): 117 Material: Bi-Metal Pitch: Variable Diameter: 117mm