Introducing our Sems Machine Screw, a versatile fastening solution designed for precision performance. Constructed from durable stainless steel, this screw is built to last, making it ideal for a wide range of industrial applications. Featuring a square conical washer for enhanced stability and a pan head with a Phillips drive type for easy installation, this screw offers both convenience and reliability. With a thread size of 4-40 and a length of .25 inches, it is suitable for various projects. Rest assured, this product is RoHS compliant, meeting stringent environmental standards. Upgrade your fastening needs with our high-quality Sems Machine Screw.