Introducing our Stainless Steel Sems Machine Screw, a versatile fastening solution designed for efficiency and durability. With a thread size of 4-40 and a length of .3125 inches, it is perfect for a variety of applications. The Internal Tooth washer ensures secure attachment, while the Pan head and Phillips drive offer easy installation. Compliant with RoHS regulations, this screw is not only dependable but also environmentally friendly. Trust in its ASME B18.13 specification for quality assurance. Upgrade your fastening needs with this premium Stainless Steel Sems Machine Screw.