Spiral Flute Tap: 1/4-20, UNC, 3 Flute, Modified Bottoming, 2B Class of Fit, High Speed Steel, Hardslick Finish MPN:BK405

The spiral flute tap offers several advantages such as enhanced chip evacuation for cleaner cuts and reduced breakage due to the flexible thread form. Its UNC (Unified National Coarse) design ensures compatibility across various applications, and its 2B class finish provides a harder surface for extended longevity. Made from high-speed steel, this spiral flute tap allows you to quickly drill holes in metal while retaining sharpness even with regular use. Suitable for creating threads on softer metals like aluminum and soft brass, it is essential for machinists and professionals who need accurate threading without damaging the workpiece or causing vibration. With its versatility, performance, and durability, this spiral flute tap is an indispensable tool in any precision machining arsenal.