High Speed Steel HSS Drill Bit Hole Saw CutterProduct Details1.Hole drill bit is with special heat treatment, sharp edge, high strength.2.70mm Hole Saw cut clean, round holes in iron, aluminium, alloy, plastic, wood, etc..3.Hole saw is made of high speed steel, impact resistance, wear resistance.4.Perfect for Installing Locks, Knobs in Doors and Cabinets or Drilling Larger Diameter Holes Through Desks Etc.5.Suitable for hand-held electric drill, vertical electric drill and mobile belt magnetic drilling machine.
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