OSG 2940408 Spiral Flute Tap Thread Size 1/4"-28 UNF Length 2.5" TiCN

Description

General-purpose tap style, modified bottoming type spiral flute tap is made of high speed steel with TiCN finish, number of flutes: 3, size: 1/4", pitch: 28, thread: UNF, pitch diameter limits: H5, standard projection, shank diameter: 0.255", tolerance: 2B, standards: 290.
Modified bottoming tap can reach to the bottom of a blind hole to cut threads
High-speed steel (HSS) provides hardness for wear resistance
Titanium carbon nitride (TiCN) coating lubricates the substrate for high-temperature stability and offers better abrasion resistance than TiN coating