Description
Straight flute hand tap NO2 with a 4-6xP second lead, for Unified National Coarse thread UNC 3/4″ with 10 TPI and 2B class of fit, dimensions according to ISO 529 standard with 14.0mm shank and 11.2mm square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining steel and copper or copper alloys
