Straight flute hand tap NO2 with a 4-6xP second lead, for Unified National Fine thread UNF 7/16" with 20 TPI and 2B class of fit, dimensions according to ISO 529 standard with 8.0mm shank and 6.3mm square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel and copper or copper alloys
Applications:
P - Steel and cast steel(steels with alloy content ? 10% and a hardness of < 45HRC) - Primary use
K - Cast Iron(castings of iron and carbon alloys with > 2% carbon content) - Possible use
N - Non-ferrous metals(metals including alloys without an appreciable amount of iron) - Primary use
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