๐ Uxcell Bi-Metal Hole Saw High Speed Steel Hole Cutter for Metal Wood Plastic 2-3/4 (Uxcell 2-3/4 (70mm) Bi-Metal Hole Saw High Speed Steel Hole Cutter for Metal Wood PVC High speed steel hole saws features high hardness and toughness heat resistance wear resistance low consumption impact resistance. 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. 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. 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. Please use in slow speed minimum pressure and keep the hole saw stable when cutting materials. Keep the cutter cool and lubricated during drilling. The electric drill is only suitable for opening plastic wood plasterboard etc.)
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