Description
Straight flute tap with chamfer form C with a 2-3xP plug lead, for Unified National Fine thread UNF 7/8″ with 14 TPI and 2B class of fit, dimensions according to DIN 374 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
