Dormer-Pramet

Spiral flute tap with chamfer form C with a 2-3xP plug lead, for Unified National Fine thread UNF 1/4 inch with 28 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.2550 inch shank and 0.1910 inch square drive, powder metallurgical HSS-E with steam tempered surface finish and 45° helix angle for 2.5xD blind hole threading in general purpose applications

Package Quantity: 1

For complete technical specifications, cutting parameters, engineering data, and current availability across distribution centers, refer to the official Dormer-Pramet product page using the link below:

https://dormerpramet.com/p/5974715