Introducing our Sems Machine Screw, a versatile fastening solution designed for optimal performance. Crafted from durable stainless steel and meeting ASME B18.13 specifications, this screw guarantees reliability. Featuring a 4-40 thread size and a unique combination of Split Lock and Narrow Flat Washers, it ensures secure attachment. The Pan head and Phillips drive type make installation a breeze, while the 0.25-inch length offers versatility in application. Rest assured, this product is RoHS compliant, making it a sustainable choice for your projects. Trust in the quality and efficiency of our Sems Machine Screw for all your fastening needs.