Description
Set of straight flute hand taps NO6 for Unified National Coarse thread UNC 5/16″ with 18 TPI and 2B class of fit, consisting of 1 tap with a 6-8xP taper lead, 1 tap with a 4-6xP second lead and 1 tap with a 2-3xP plug lead, 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 steel and copper or copper alloys
