Description
Spiral point tap with chamfer form B with a 3.5-5xP plug lead, for Unified National Coarse thread UNC 10 with 24 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.1940″ shank and 0.1520″ square drive, powder metallurgical HSS-E with steam tempered surface finish for 2.5xD through hole threading in general purpose applications.
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