Milwaukee 1/2"-13 NC SAE Straight Flute Plug Tap is your go-to solution for creating or repairing clean, accurate internal threads. Precision machined and built to last, this plug tap features long-lasting laser-etched sizing for clear markings, ensuring ease of identification. It comes with a protective Black Oxide coating that provides excellent corrosion resistance, enhancing durability for extended use. The square shank design is compatible with all standard tap handles or tap wrenches and is specifically made for through-hole threading. Engineered to handle the most common metal applications such as brass, aluminum, and mild steel, this plug tap delivers reliable performance every time. For results, it is to use cutting fluid to achieve smooth threading operations. Model Number: 49-57-5155