Description

Spiral flute tap with chamfer form C with a 2-3xP plug lead, for Unified National Fine thread UNF 5/16" with 24 TPI and 2B class of fit, dimensions according to ISO 529 standard with 8.0mm shank and 6.3mm 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

Product Feature

Steam Tempered (Steam Oxide) Surface Treatment

Thread Form, Unified Fine

Internal Inch Thread Medium Class of Fit

Blind Hole Application

2.5×D Usable Tool Depth to Diameter Ratio

High Speed Cobalt Powder Metal Tool Material

Semi-Bottoming Tap Chamfer (2 – 3 Pitch Lead)

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