The TAP SP-R (016) 1/4-28 H4P 3F from Field Tool Supply is a precision tap designed for creating internal threads in various materials. This tap features a 1/4-28 thread size, ensuring compatibility with standard fasteners. Made from high-quality steel, it offers durability and resistance to wear. The H4P designation indicates a specific taper and flute design, enhancing chip removal and reducing friction during use. Ideal for applications in automotive, manufacturing, and metalworking, this tap meets industry standards for performance and reliability.