Milwaukee M7-1.00 mm Straight Flute Plug Tap is precision machined to create or repair clean and accurate internal threads. This plug tap features long-lasting laser-etched sizing for clear markings and a protective Black Oxide coating that provides corrosion resistance. Its square shank is compatible with all standard tap handles or tap wrenches, designed specifically for through-hole threading. Engineered for durability, it is i for cutting threads in common metal applications such as brass, aluminum, and mild steel. For optimal performance, use this plug tap with cutting fluid. Model Number: 49-57-5141