Upgrade your fastening essentials with this Fillister Head Machine Screw. Crafted from durable stainless steel, it ensures longevity and corrosion resistance, ideal for various applications. Compliant with ASME B18.6.3 specifications, it guarantees high quality and precision. The 4-40 thread size and slotted drive type make installation a breeze, while the fillister head design provides a secure hold. With a length of .5625 inches, it's perfect for a wide range of projects. Rest assured, this screw is RoHS compliant, meeting environmental standards for responsible sourcing. Elevate your mechanical assemblies with this must-have component.