Upgrade your fastening needs with this premium Flat Head Machine Screw. Crafted from durable stainless steel and coated in a sleek black oxide finish, it offers both strength and style. Compliant with ASME B18.6.3 specifications, this screw guarantees reliable performance. The Phillips drive type ensures easy installation, while the 4-40 thread size makes it suitable for a variety of applications. With a length of .3125 inches, it's perfect for securely fastening components. Rest assured, this screw is also RoHS compliant, meeting international standards for environmental responsibility. Elevate your projects with this high-quality fastener.