Spiral Flute Tap: 1/4-28 UNF, 3 Flutes, Modified Bottoming, 3B Class of Fit, Powdered Metal, TiN/CrC/C Coated MPN:5566091

The Spiral Flute Tap: 1/4-28, UNF, 3 Flute, Modified Bottoming, 3B Class of Fit, Powdered Metal, TiN, CrC & C Finish is an advanced tapping tool designed for creating threads in metal components with precision and efficiency. Its spiral flute design ensures efficient chip removal while its modified bottoming feature minimizes the risk of thread damage during installation. The powdered metal construction offers increased durability and wear resistance, ensuring long-lasting performance. The titanium nitride (TiN), chromium carbide (CrC), and carbon (C) coatings provide enhanced lubricity and reduce friction, improving cutting efficiency and extending tool life. With a 3B class of fit, this tap delivers superior thread fit, making it an ideal choice for aerospace, medical, and military applications where precise threads are critical.