Dormer A100 HSS High Speed Steel Jobber Drill Bit with 118 Degree Standard Point, Pack of 10 pcs

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General description Dormer A100 Metric HSS jobber drills are designed for general-purpose engineering applications. They feature excellent self-centering capabilities on a variety of materials and are suitable for both hand and machine use. Manufactured from durable high-speed steel, these drills come with a black oxide steam tempered coating that enhances chip flow and heat resistance. Technical specifications Tip diameter: 1.80mm Working length: 22mm Overall length: 46mm Point angle: 118° Helix angle: normal Web thickness: standard Relief angle: 10 - 20° Tolerance of diameter: h8 Tolerance of shank: f11 Material: High Speed Steel Number of flutes: 2 Flute length: 22mm Flute type: Spiral Finish/Coating: Steam Tempered Standards Met: DIN 338 Usage The Dormer A100 drill bit is suitable for use on a range of metals, including: Steel Cast steel Grey cast iron Malleable cast iron Nickel brass Aluminium alloy Graphite Other information

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High Speed Steel (HSS) provides good hot hardness when drilling 118 degree conventional point provides easy re-grinding Steam oxide finish reduces built-up-edge and helps lubricity Patented Silver ring provides clear diameter marking For use on machines or hand held applications