Description
Spiral point tap with chamfer form B with a 3.5-5xP second lead, for ISO-Metric thread M3 with 0.50 mm pitch and 6H class of fit, dimensions according to DIN 371 standard with 3.5mm shank and 2.7mm square drive, powder metallurgical HSS-E with TiN coating for 3xD through hole threading in free machining, plain carbon and alloy steel and wrought or copper or copper alloys
