General description 5-5/16'' (130mm) Bi-Metal Hole Saw is designed for drilling through various materials including drywall, wood, plastics, and metals. This versatile cutter is ideal for applications such as installing handles and locks in doors, as well as cutting through PVC plastic, desks, plasterboard, furniture, and cabinets. Technical specifications Size: 5-5/16'' (130mm) Effective cutting depth: 25mm Material: Heat-treated bi-metal high speed steel (HSS) Maximum rotation speed: ≤ 1000 RPM Usage The hole saw features ultra-sharp teeth for faster and cleaner cutting, providing high precision and smooth cutting edges. It is suitable for drilling through wood, plastic, plywood, thin metal, and more. Other information The surface of the product is coated with a thin layer of protective oil to prevent oxidation and rust. Please handle with care to avoid staining and regularly check the condition of the hole opener.