• Bi-metal hole saw made of HSS M42 steel with high hardness and resistance. • Clean edge design allowing for smooth, fast, and precise cutting without wobbling. • Includes pilot drill bit and adapter with spring design that promotes automatic chip removal. • Coating to improve resistance to rust, wear, and corrosion. • 27 mm working depth ideal for drilling in various thicknesses. • Hexagonal shank for a firm and secure grip in the drill chuck. • Suitable for drilling in materials such as iron, aluminum, wood, PVC, plastic, and plasterboard. • Compatible with bench drills, impact drills, pistol drills, and electromagnetic drills.