Dormer A100 4.90MM Jobber/Twist Drill HSS Straight Shank

Note : This is sold as single. A100 Series HSS Straight Shank Jobber Drills (Metric) general purpose drills are manufactured from durable high speed steel with a black oxide steam tempered coating for improved chip flow and heat resistance. Features and Benefits High speed steel construction for greater durability Black oxide steam tempered finish for improved chip flow and heat resistance Suitable for use on a range of metals including steel and grey cast iron Specifications High speed steel Steam temepered black oxide finish Point angle: 118 Helix angle: normal Web thickness: standard Relief angle: 10 - 20 Tolerance of diameter: h8 Tolerance of shank: f11 Black finish (W-Finish) BS 328/DIN338RN Typical Applications Steels Cast steel Grey cast iron Malleable cast iron Nickel brass Aluminium alloy Graphite