Description
Straight flute tap with chamfer form C with a 2-3xP plug lead, for Unified National Coarse thread UNC 5/16″ with 18 TPI and 2B class of fit, dimensions according to DIN 376 standard with 6.0mm shank and 4.9mm square drive, powder metallurgical HSS-E with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel
