E5313/8NO3 HSS Straight Flute Hand Tap, BSW, ISO Standard

Straight flute hand tap NO3 with a 2-3xP plug lead, for British Standard Whitworth thread BSW 3/8" with 16 TPI and Medium class of fit, 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