Description
Spiral flute tap Yellow Shark with chamfer form C with a 2-3xP plug lead, for ISO-Metric Fine thread M4 with 0.50 mm pitch and 6H class of fit, dimensions according to DIN 374 standard with 2.8mm shank and 2.1mm square drive, powder metallurgical HSS-E with flash chorme surface finish and 40° helix angle for 2xD blind hole threading in free machining and plain carbon steel and copper or copper alloys
