Description
General purpose drills for steels, cast steel, grey cast iron, malleable cast iron, nickel brass, aluminium alloy and graphite. | | • Bright Finish: Drills with a bright finish are supplied in the as-ground condition and such tools are used generally in the machining of non-ferrous materials | • Supplied in indexing metal cases | • Manufactured to BS328 : Part 1 : 1986, DIN 338N & ANSI B94 – 11M | • Shank tolerance f11 | • Diameter tolerance h8 | • Relief angle: 10?-20? | • Web thickness: standard | • Helix angle: normal | • Point angle: 118? | • Set contains : 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, 10.0, 10.5, 11.0, 11.5, 12.0, 12.5, 13.0
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