Auniwaig 110mm/4.29" Bi-Metal Hole Saw 25mm/1" Deep Bimetal Hole Cutter HSS Drill Bit for Cutting Metal Wood Plastic

Hole saw is made of HSS high speed steel, with extremely sharp cutter, low consumption and durable with impact resistance, wear resistance.High precision, smooth cutting and high hardness.Openings for iron, aluminum, and various types of pipes.Hardened, heat resistant, positive rake HSS teeth with alloy backing.Worked great for kitchen range hood vent.Hole saw is perfect for Installing Locks, Knobs in Doors and Cabinets in Seconds, Easy drilling on glass and all types of metals.Hole saw works with the ordinary electric drill and is ideal for drilling large diameter holes through Wood, Aluminum Plate, Alloy Plate, Plastic Sheet etc.