Series E100 HSS Straight Shank Extra Length Drills Metric General-purpose drills for steels, cast steel, grey cast iron, malleable cast iron, nickel brass, aluminium alloy and graphite. Point angle: 118, helix angle: normal, web thickness: standard, relief angle: 10 - 20, tolerance of diameter: h8, tolerance of shank: f11. Manufactured to BS 328 : Part 1 : 1986.
