The TAP F/SPI-U(20)5/16-24GH3 B is a precision tap designed for creating internal threads in various materials, including metal and plastic. With a thread size of 5/16-24, this tap is perfect for automotive and machinery applications. Constructed from high-speed steel, it offers durability and resistance to wear, while the GH3 designation indicates a high-quality finish for smooth threading. This tap is compatible with standard tapping machines and hand tools, making it a versatile choice for both professionals and DIY enthusiasts. Improve your threading capabilities with this reliable tap.