Milwaukee 1/8"-28 BSP Straight Flute Taper Tap is precision machined to create or repair clean, accurate internal threads with ease. This taper tap features long-lasting laser-etched sizing for clear markings and is coated with protective Black Oxide to resist corrosion. Its square shank fits all standard tap handles or tap wrenches, while the taper style ensures a gradual start when cutting threads. Engineered for durability, this tap is i for cutting threads in common metal applications such as brass, aluminum, and mild steel. For optimal performance, use with cutting fluid. Model Number: 49-57-5190