Heavy Duty Industrial Grade Bimetal Carbide Hole Cut Stainless Steel Hole Saw 3-3/8" (85mm)

29mm Hole Saw is a great alternative to traditional bi-metal hole saws. They are faster, cleaner and last longer. Carbide Hole Cutter--The sharpened tungsten alloy blade can cut steel, iron, aluminum, copper and cast iron. Cutting depth up to 25 mm. It is recommended to use a table drill and keep it stable during work in order to avoid damage to the drill or hole saw due to shaking. Drill spring removes chips and saves time. Quickly cut clean and burr-free holes. Faster than traditional twist drills and hole saws. TCT hole cutters are the standard for electrical work, transportation and general metalworking. Note: For different materials, for example stainless steel and ordinary sheet metal, the appropriate speed and feed speed are different, please refer to the table. Under normal conditions, tool has a longer service life than other punching tools.