Bi-Metal Hole Saw 25 mm / 1in (1 Inch) Hole Saw Drill Bit Cutter For Wood Plastic Metal Sheet Plate Plaster, M42 HSS High Speed Steel

Size - Cutting diameter: 25 mm/1 inches; Triangle shank size: 10 mm/3/8 inches; cutting depth: 30 mm/1.18 inches; total length: 84 mm/3.31 inches. Material - The hole saw body is made of high quality M42 high-speed steel, which has excellent hardness, wear resistance and heat resistance. The cutting edges or teeth are made of cobalt alloy, which further improves the hardness and heat resistance. Features - Serrated edges allow for smooth, quick and easy cuts. Bi-metal hole saws have more cutting edges than carbide hole saws. Side grooves or chip discharge holes facilitate chip removal and prevent clogging, and allow lubricant to reach the cutting area, extending tool life and cutting efficiency. Applications - Bi-metal hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical ducts, junction boxes. Note - Used with drill press, digging presses, electric drills, cordless drills, etc. The material to be cut must be well fixed and at an angle of 90 degrees to the hole opener. Do not use on impact drills. Apply appropriate lubricant, use the right speed and pressure and always wear appropriate safety equipment.