The TAPS LH(064) 1-18 GH4 T from Field Tool Supply is a left-hand tap designed for creating internal threads in a variety of materials. With a size of 1-18, this tap is perfect for applications requiring a robust threading solution. Made from high-speed steel, it offers excellent wear resistance and durability. The GH4 tolerance ensures a precise fit, making it suitable for high-precision applications. This tap is compatible with both manual and machine tapping processes, providing versatility for users. Its construction adheres to industry standards, ensuring reliable performance in demanding environments.