Milwaukee 5/16-18 NC SAE 1" Hex Threading Die is a high-quality tool designed for creating or repairing precise external threads with ease. Crafted with precision machining, this threading die ensures durability and long-lasting performance. It features laser-etched sizing that remains clear over time, combined with a protective Black Oxide coating to resist corrosion. The 1" hex shape is compatible with the MILWAUKEE® Hex-LOK™ 2-in-1 Threading Handle as well as all standard 1" hex die stocks, making it versatile for various threading tasks. Engineered to cut threads efficiently in common metals such as brass, aluminum, and mild steel, this die delivers reliable results. For performance, it is to use cutting fluid during operation. Model Number: 49-57-5342