Spiral Flute Tap: 1/4-20 UNC, 3 Flutes, Modified Bottoming, 3B Class of Fit, Powdered Metal, Oxide Coated MPN:5974021

A superior quality spiral flute tap crafted for professionals dealing with high precision threading applications; its oxide-coated powdered metal construction grants durability while preventing wear and galling on threads when encountering abrasive metals such as stainless steel or titanium, commonly used within aerospace industry requiring aerospace class 3B fit that maintains high level of tolerances during production stage without compromising dimensional stability post thread formation. The modified bottoming feature further enables smoother thread start whilst preventing deformations on sensitive workpieces while eliminating need for additional chamfering tasks prior to tapping; its three flutes layout provides optimal chip evacuation ensuring rapid penetration at moderate feeds with reduced risk of chatter marks or heat build up allowing successful completion of intricate thread cutting processes across industries involving mechanical design, automotive repairs and production engineering demanding strong tapping abilities backed by a reliable Class of fit matching ISO standards guarantee.