The Truss Head Machine Screw, a durable and reliable fastener essential for various applications. Crafted from high-quality stainless steel, this screw guarantees long-lasting strength and corrosion resistance. Compliant with ASME B18.6.3 standards, it meets strict quality requirements for assured performance. Featuring a 5-40 thread size and a length of .3125 inches, it's ideal for securing components with precision. The one-way drive type offers added security, making it perfect for applications where tamper resistance is essential. Rest assured, this screw is RoHS compliant, making it an environmentally friendly choice for your projects. Trust in its superior quality and performance for all your fastening needs.