Uses 

1. Metalworking: Bi-metal hole saws are frequently employed in metalworking applications to create holes in metal sheets, pipes, and other metallic structures. The combination of the durable cutting edges and the flexible body allows them to handle different types of metals.
2. Woodworking: These hole saws are used in woodworking for tasks such as creating holes for plumbing, electrical, or carpentry work. They can cut through various types of wood, plywood, and other wooden materials.
3. Plumbing: Bi-metal hole saws are widely used in plumbing installations to create holes for pipes and fittings in materials like drywall, plastic, and even metal. They provide a quick and efficient way to make precise openings.
4. Electrical Work: Electricians use bi-metal hole saws to create openings for electrical boxes, conduit, and wiring in walls, ceilings, or panels. The ability to cut through a range of materials makes them suitable for various electrical installations.
5. Construction: In construction, bi-metal hole saws are utilized for tasks such as installing locks, doorknobs, and other hardware. They can be used on materials like fiberglass, cement board, and various construction materials.
6. HVAC (Heating, Ventilation, and Air Conditioning): HVAC professionals use bi-metal hole saws for cutting holes in ductwork, panels, and other materials encountered in HVAC systems.
7. Automotive Repair: Bi-metal hole saws are employed in automotive repair and customization for cutting holes in metal panels, plastic components, and other materials during modifications or repairs.
8. DIY Projects: Bi-metal hole saws are popular among DIY enthusiasts for a wide range of home improvement projects. They can be used for tasks like installing faucets, creating openings for ventilation, or making holes for decorative elements.
9. Maintenance and Repairs: These hole saws are valuable tools for general maintenance and repair work where the need arises to create openings in diverse materials.