Description:Well made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance for Installing Locks, Knobs in Doors and Cabinets or Drilling Larger Diameter Holes ThroughCuts quickly, precise holes in Steel, Stainless Steel,iron, Copper, Brass, Aluminum, Fiberglass, Formica And Other Laminates In SecondsCoated with high quality Diamond to enhance the drilling speed and creates a sharp, high precision and smooth cut with no broken edgesHigh precision, smooth cutting, especially impact resistance, wear resistanceSpecification:Material: High Speed SteelOutside Diameter: approx

19

5mm/ 1 InchOutside Diameter: approx

19mm/ 0

98''Outside Diameter: approx

18

5mm/ 0

94''Outside Diameter: approx

18mm/ 0

9''Outside Diameter: approx

17mm/ 0

88''Outside Diameter: approx

16mm/ 0

86''Outside Diameter: approx

15mm/ 0

84''Outside Diameter: approx

14mm/ 0

82''Overall Length: approx

90mm/ 3

54''Diameter of Shank: approx

9mm/0

35''Color: as shown in the display picturesPackage Includes:1 Piece HSS Drill Bit