E557M8 HSS Spiral Flute Power Tool Tap, Metric, ISO Standard

Spiral Flute Power Tool Tap with chamfer form C with a 2-3xP semi-bottoming lead, for ISO-Metric thread M8 with 1.25 mm pitch and 6H class of fit, dimensions according to ISO 529 standard with 8.0mm shank and 6.3mm square drive, HSS with bright finish and 35° helix angle for 2xD blind hole threading in general purpose applications