Milwaukee M9-1.00 mm Metric 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 its durability over time. The square shank design is compatible with all standard tap handles or tap wrenches, making it versatile and easy to use. Specifically designed for through-hole threading, this tool is engineered to handle common metal applications such as brass, aluminum, and mild steel. For results, it is to use cutting fluid to achieve smooth threading operations. Model Number: 49-57-5149