E238M20 M Machine Tap Spiral Flute 40°, Back Tapered, Blue Shark

Spiral flute tap Blue Shark with chamfer form C with a 2-3xP plug lead, for ISO-Metric thread M20 with 2.50 mm pitch and 6H class of fit, dimensions according to DIN 376 standard with 16.0mm shank and 12.0mm square drive, powder metallurgical HSS-E with steam tempered surface finish and 40° helix angle for 2.5xD blind hole threading in stainless steel