E0211 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 1" with 8 TPI and 2B class of fit, dimensions according to ISO 529 standard with 18.0mm shank and 14.0mm square drive, powder metallurgical HSS-E with steam tempered surface finish for 2.5xD through hole threading in general purpose applications