The Walter 7557037 Spiral Flute Tap is engineered for precision threading in a variety of materials, including aluminum, brass, bronze, cast iron, copper, stainless steel, and steel. This tap features a 12.70 mm thread size with a 3-flute design, providing efficient chip removal and reducing the risk of clogging during operation. The TiAlN (Titanium Aluminum Nitride) coating enhances tool life by offering superior hardness and wear resistance, making it suitable for high-speed applications. The modified bottoming chamfer allows for threading to the bottom of blind holes, increasing versatility in threading tasks. With a helix angle of 40 degrees and a right-hand thread direction, this tap ensures smooth cutting action and consistent thread profiles. The overall length of 80 mm and a shank diameter of 6.47 mm provide stability and control during use. Designed to meet ANSI and DIN standards, the Walter 7557037 Spiral Flute Tap is a reliable choice for professionals seeking durability and performance in their threading operations.