Description
Spiral point tap with chamfer form B with a 3.5-5xP second lead, for ISO-Metric thread M4 with 0.70 mm pitch and 6H class of fit, dimensions according to DIN 376 standard with 2.8mm shank and 2.1mm square drive, powder metallurgical HSS-E with steam tempered surface finish for 2.5xD through hole threading in general purpose applications
