The STI TAP F/S 4-40 GH1 B 2F USA is a precision tap designed for threading applications. With a 4-40 thread size, it is perfect for creating strong, reliable threads in various materials. Made from high-quality steel, this tap offers excellent durability and wear resistance. The GH1 designation indicates a standard design suitable for general use, while the 2F feature enhances its threading capabilities. Ideal for both professional and DIY projects, this tap meets industry standards, ensuring quality and performance in every application.