E5313/8NO6 HSS Straight Flute Hand Tap, BSW, ISO Standard

Set of straight flute hand taps NO6 for British Standard Whitworth thread BSW 3/8" with 16 TPI and Medium 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 10.0mm shank and 8.0mm 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