Hole Saw 100mm/68mm/60mm/7Pieces(22mm-45mm), Universal Bimetal Hole Cutter

HIGH-DRILLING EFFICIENCY: The design of the bi-metal hole saw makes it possible to cut larger holes in a short time. Adopting high-speed steel teeth, the cutting performance is many times higher than traditional carbon steel hole saws. HIGH DURABILITY: The bi-metal hole saw is made of two different metals. The body of the saw is made from high carbon steel while the teeth are made from high speed steel. This gives it high wear and cutting performance. REMOVE WOOD CHIPS: The slotted holes pre-drilled around the edges are beneficial to chip evacuation to improve the speed of removing the cylindrical wood chips in the hole. HOLE CUTTING VERSATILITY: The bi-metal hole saw is suitable for drilling various hard materials such as metal, aluminum, plaster, stainless steel, plastic and wood. It can be used together with power tools such as a drill, greatly increasing work efficiency. It is particularly suitable for installing locks on doors and cabinets and is an indispensable tool for carpent