Description

Spiral flute tap Red Shark with chamfer form C with a 2-3xP plug lead, for Unified National Fine thread UNF 1/4 inch with 28 TPI and 2B class of fit with H4 pitch diameter limits, dimensions according to DIN/ANSI standard with 0.2550 inch shank and 0.1890 inch square drive, powder metallurgical HSS-E with TiAlN-Top coating and 45° helix angle for 2.5xD blind hole threading in plain carbon, alloy and tool steel

Product Feature

Titanium Aluminium Nitride (with smoothing process) 

Thread Form, Unified Fine

DIN/ANSI Standards

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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