Enhance your machinery with this Sems Machine Screw, a high-performance fastening solution crafted from durable 316 Stainless Steel. With a thread size of 4-40 and a length of .25 inches, it is ideal for a wide range of applications. The ASME B18.13 specification ensures its quality and reliability, while its flat washer design provides added stability. Featuring a standard socket head and a Torx drive type, installation is efficient and secure. Rest assured, this screw is RoHS compliant, meeting environmental standards without compromising on performance. Elevate your projects with this premium fastener, designed for excellence in every detail.