The STI TAP SP 1/4-20 GH3 P from Field Tool Supply is a high-quality tap designed for precision threading with a 1/4-20 thread size. Made from durable high-speed steel, this tap offers excellent cutting performance and longevity. The GH3 classification indicates its suitability for general-purpose applications, making it versatile for various materials including metals and plastics. Manufactured in the USA, this tap ensures high-quality results, making it an essential tool for both professional and DIY projects. Ideal for creating clean, accurate threads in a range of applications.