Our Milwaukee 1 in Hex Threading Dies are precision-machined for creating or repairing clean, accurate (external) threads. The hex dies feature long-lasting laser-etched sizing for the clearest markings and include a protective black oxide coating for corrosion resistance. The 1 in Hex shape is compatible with the Milwaukee Hex-LOK two-in-one Threading Handle, as well as all standard 1 in hex die stocks. Engineered for durability, our Milwaukee 1 in hex dies are designed for cutting threads in the most common metal applications including brass, aluminum and mild steel.Hex dies can be used to create or repair threadsBlack oxide coating for corrosion resistanceClearly labeled starting side for easier threading application set-upFor finest results use with cutting fluid