E5361NO3 HSS Straight Flute Hand Tap, BSF, ISO Standard

Straight flute hand tap NO3 with a 2-3xP plug lead, for British Standard Fine thread BSF 1" with 10 TPI and Medium class of fit, dimensions according to ISO 529 standard with 18.0mm shank and 14.0mm square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining steel and copper or copper alloys