Description
Straight flute hand tap NO1 with a 6-8xP taper lead, for ISO-Metric thread M33 with 3.50 mm pitch and 6H class of fit, dimensions according to ISO 529 standard with 22.4mm shank and 18.0mm square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel
