Porter Instrument Socket Head Screw, 1/4-20 x 4, Stainless Steel

This is a stainless steel socket head cap screw with 1/4-20 thread size and a 4-inch length, manufactured by Porter Instrument. It is designed for use in nitrous oxide delivery systems and related anesthetic equipment, serving as a replacement or spare part for securing components. The screw is made of stainless steel for corrosion resistance and durability.