General description This HSS bi-metal hole saw features a unique tooth geometry and cutting edge design that ensures each tooth works independently during cutting. This reduces vibrations and wear, making it suitable for challenging materials like stainless steel. Its patented tooth design allows for excellent results in both wood and metal. Technical specifications Diameter: 98 mm Material: HSS bi-metal Recommended speeds: Aluminium - 130 min-1 Steel - 85 min-1 Cast iron - 55 min-1 Wood/PVC - 1,200 min-1 Brass - 110 min-1 Steel and stainless steel - 40 min-1 Suitable for various materials including wood, metal, and plastics Compatibility and accessories Compatible with brands such as Black & Decker, Greenlee, Nicholson, Bahco, Starrett, and others Note: Does not include arbor or drill bit Installation Attach the hole saw to the appropriate arbor or mandrel compatible with your power tool Ensure the tool is set to the correct spindle speed for the material and hole saw size Usage Use