Description
Straight flute tap with chamfer form C with a 2-3xP plug lead, for Unified National Coarse thread UNC 7/8″ with 9 TPI and 2B class of fit, dimensions according to DIN 376 standard with 18.0mm shank and 14.5mm square drive, powder metallurgical HSS-E with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel
