E500M4.5NO2 Straight Flute Hand Taps, Metric, ISO Standard

Straight flute hand tap NO2 with a 4-6xP second lead, for ISO-Metric thread M4.5 with 0.75 mm pitch and 6H class of fit, dimensions according to ISO 529 standard with 4.5mm shank and 3.55mm square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel