The TAPS LH(064) 1-18 GH4 P from Field Tool Supply is a premium left-hand tap designed for precision threading in various materials. With a size of 1-18, this tap is ideal for applications requiring a strong and reliable internal thread. Constructed from high-speed steel, it offers exceptional durability and resistance to wear. The GH4 designation indicates a specific thread tolerance, ensuring a precise fit for high-precision applications. This tap is suitable for both manual and machine tapping, making it a versatile tool for professionals. Its robust design meets industry standards, ensuring dependable performance in various settings.