General description This cobalt hole saw kit is designed for professional use, offering high durability and precision cutting of various materials. Made from quality steel with 8% cobalt content, it is suitable for cutting through steel, brass, bronze, cast iron, aluminum, wood, and plastics. Technical specifications Diameter: 111mm Material: Steel with 8% cobalt content Maximum cutting depth: 35mm Design: Variable pitch 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 fixation during operation