Spiral Flute Tap: 1/4-28, UNF, 3 Flute, Bottoming, 3B Class of Fit, High Speed Steel, Bright/Uncoated MPN:008371AS

Spiral Flute Tap: 1/4-28, UNF, 3 Flute, Bottoming, 3B Class of Fit, High Speed Steel, Bright/Uncoated is a versatile tapping tool designed for creating external threads with precision and accuracy. Its spiral flute design provides effective chip evacuation, reduces cutting pressure, chatter, and vibration while maintaining sharp edges for longer tool life. The UNF thread type makes it suitable for applications where fine pitch and good strength are required. The 3B class of fit ensures a strong and durable thread that resists stripping or snapping off. Typical users of this tap include manufacturers, machinists, and engineers in various industries such as automotive, aerospace, medical, and general engineering. It is commonly used for making threads in materials such as stainless steel, carbon steel, aluminum, brass, and plastics.