Description:

Hole Saws: Cutting diameter: 25mm / 1"; cutting depth: 30mm / 1.18"; shank diameter: 9.5mm / 0.37". High speed steel hole saws are high hardness and toughness, heat resistance, wear resistance, low consumption, impact resistance.. Wide Applications: Widely used for opening round holes in metal, wood, plywood, plastic, PVC, fiberboard, gypsum board. Perfect for installing locks, knobs in doors, cabinets and desks. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener.. Features: The sharp tooth edge makes the cutting smooth, fast and easy. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws. The spring on the hole cutter can automatically push the disc out of the saw after cutting.. Easy to Use: Suitable for bench drills, vertical drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. Do not use on impact drills..