Tool Sets -High Speed Steel Drill Bit Hole Drill Bit Saw Cutter Tool 22mm Highlights Generic Brand High Speed Steel Drill Bit Hole Drill Bit Saw Cutter Tool 22mm Description: Well made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance Perfect for installing locks, knobs in doors and cabinets or drilling larger diameter holes through Cuts quickly, precise holes in wood steel, stainless steel, iron, copper, brass, aluminum, fiberglass, formica and other laminates in seconds High quality diamond coated to improve drilling speed and create clean and precise cutting and smooth cutting without broken edges High precision, smooth cutting, especially impact resistance, wear resistance Specification: Material: High Speed Steel Outer Diameter: approx. 26mm / 1 inch Outer Diameter: Approx. 25mm/0.98'' Outer Diameter: Approx. 24mm/0.94'' Outer Diameter: Approx. 23mm/0.9'' Outer Diameter: Approx. 22.5mm/0.88'' Outer Diameter: Approx. 22mm/0.86'' Outer Diameter: Approx. 21.5mm / 0.84'' Outer Diameter: Approx. 21mm/0.82'' Outer Diameter: Approx. 20mm/1.78'' Total length: approx. 90mm/3.54'' Shank Diameter: Approx. 9mm/0.35'' Color: As shown in display pictures Package Include: 1 Piece HSS Drill Bit