Description This cobalt hole saw is designed for professional use and offers high durability. Made from quality steel with 8% cobalt content, it is suitable for cutting a variety of materials including steel, brass, bronze, cast iron, aluminum, wood, and plastics. It features a variable pitch design for efficient cutting and a maximum cutting depth of 35mm. Specifications Diameter: 83mm Material: Steel with 8% cobalt content Maximum cutting depth: 35mm Design: Variable pitch for efficient cutting Compatibility and Accessories Requires a hole saw arbor for assembly Installation Attach the hole saw to a compatible arbor before use Usage Suitable for cutting metal, wood, and plastics Ensure proper alignment and secure attachment before operation