Combination drill-tap with a 30° spiral flute, for Unified National Coarse thread UNC 5/8" with 11 TPI and 2B class of fit, dimensions according to DORMER-DIN standard with 12.5mm shank and 10.0mm square drive, HSS with steam tempered surface finish and 30° helix angle for 1.5xD through hole threading in free machining steel
Applications:
P - Steel and cast steel(steels with alloy content ? 10% and a hardness of < 45HRC) - Primary use
N - Non-ferrous metals(metals including alloys without an appreciable amount of iron) - Possible use
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