The Walter 7557041 Spiral Flute Tap is engineered for precision threading in a variety of materials, including aluminum, brass, bronze, cast iron, copper, stainless steel, and steel. Designed with a 1/2"-13 thread size and a modified bottoming chamfer, this tap ensures clean and accurate threads, even in blind holes. The four-flute design enhances chip removal, reducing the risk of clogging and improving threading efficiency. Finished with TiAlN coating, it offers increased hardness and wear resistance, extending tool life and maintaining threading quality over time. The tap's overall length of 110 mm and shank diameter of 9.32 mm provide stability and control during operation, minimizing deflection and ensuring precise threading. This tool is ideal for applications requiring high-quality threads in various materials, contributing to the durability and performance of the finished product.