Spiral Flute Tap: 1/4-28 UNF, 3 Flutes, Bottoming, 2/3B Class of Fit, High Speed Steel, Bright/Uncoated MPN:367933

The spiral flute tap is a cutting tool used to create threads in various materials such as metals, plastics, and composites. This particular model has a 1/4-28 UNF thread size with 3 flutes design for faster chip removal and improved ease of use. The bottoming feature helps in creating crisp threads with a rounded root profile that resists stripping under high torque loads. The class 2B fits provide excellent accuracy and minimum diameter tolerance variations, ensuring consistent results on multiple part runs. Manufactured from high-speed steel, this tap delivers durability and long tool life even when tackling hard or abrasive materials. It is an essential tool for engineers and machinists across the automotive, aerospace, military, and general metalworking industries who require precise thread creation and repeatable accuracy in their products.