【High-performance】: The hole cutters set for wood is made of high-quality high-speed carbon steel, the bimetal hole saw material is heat-treated M42 bimetal saw band. With arc design and concentricity precision, the edges of the teeth are uniform and the service life of the holes is prolonged. ,Special heating and blackening surface treatment can prevent the hole saw from rusting.
【Characteristics and scope of application of hole opener】: With special design,The metal hole saw is durable with sharp teeth and smooth chip removal. It is suitable for metal steel, castings, aluminum alloys and other metal pipe fittings and plastic sheets, galvanized pipes, fire-fighting pipes, various types of wood, gypsum board and other opening operations. Class bench drills, drill presses, gun drills, various hand drills, etc.
【Cutting design】 The high-speed steel cutting edge drill saw attachment can provide impact-resistant teeth and prevent the teeth from peeling off. With a non-binding clean edge design, the hole cutter set is easy and easy to cut. After drilling the hole, the spring on the drill will automatically push the disc out of the saw. Can ensure a clearer cutting effect.
【Size】: The 7 hole saw blades in the high specification hole saw kit set ,have popular DIY sizes, which can be used for plastic PVC pipes, cork desks/desks, plasterboard, furniture and cabinets, and doors for installing handles and locks . Diameter sizes are 16, 19, 22, 30, 35, 42 and 53mm, and the maximum cutting depth/thickness is 25mm
【Note】: When using hole saw kit set for a long time, please control the speed appropriately, RPM≤1000, it is easy to cause the hole opener to wear at high speed. The surface of the product is coated with a thin layer of protective oil (anti-oxidation, anti-rust), please be careful not to stain and check the condition of the hole opener.