EP203/4 UNC Machine Tap Spiral Point

Spiral point tap with chamfer form B with a 3.5-5xP second lead, for Unified National Coarse thread UNC 3/4" with 10 TPI and 2B class of fit, dimensions according to DIN 2184-1 standard with 14.0mm shank and 11.0mm square drive, powder metallurgical HSS-E with bright finish for 2.5xD through hole threading in free machining and plain carbon steel and wrought or cast aluminium