Milwaukee M8-1.25 mm Metric Straight Flute Plug Tap & H Drill Bit Set includes a precision machined Plug Tap that creates or repairs clean and accurate internal threads, paired with the corresponding drill bit for piloting. The Plug Taps feature long-lasting laser-etched sizing for the clearest markings and come with a protective Black Oxide coating to resist corrosion. Their square shank fits all standard tap handles or tap wrenches and is designed for through-hole threading. Built for durability, these MILWAUKEE® Straight Flute Plug Taps are i for cutting threads in common metals such as brass, aluminum, and mild steel. The included drill bit is compatible with drill drivers, and for optimal performance, it is to use cutting fluid with the Plug Taps. Model Number: 49-57-5543