Milwaukee 7/16"-20 NF 1-Inch Hex Threading Die is precision machined to create or repair clean and accurate external threads with ease. This threading die features long-lasting laser-etched sizing for clear markings and is coated with protective Black Oxide to resist corrosion. Its 1-inch hex shape is compatible with the Milwaukee Hex-LOK™ 2-in-1 Threading Handle as well as all standard 1-inch Hex Die stocks. Engineered for durability, this threading die is i for cutting threads in common metals such as brass, aluminum, and mild steel. For optimal performance, it is to use this die with cutting fluid. Model Number: 49-57-5357