Spiral Flute Tap: #4-40 UNC, 3 Flutes, Modified Bottoming, 2B/3B Class of Fit, Powdered Metal, TiN/CrC/C Coated MPN:5565957

The Spiral Flute Tap #4-40 UNC offers superior performance for chip evacuation and lubrication due to its spiral flutes that provide an efficient removal of chips while also reducing heat build-up, making it suitable for various materials such as aluminum, copper, and bronze. Its powdered metal construction ensures durability, hardness, and wear resistance with the added advantage of reduced friction during cutting. The Modified Bottoming style enables users to achieve a smooth finish by providing a controlled, squared bottom for tapped holes while the TiN/CrC/C coating enhances the tool's corrosion-resistant properties for better durability and longer service life. Overall, this spiral flute tap is an ideal choice for professional machinists seeking precision and consistent threading operations in their industrial applications.