Elevate your fastening game with our Fillister Head Machine Screw, a reliable and durable solution for your assembly needs. Crafted from high-quality stainless steel, this screw guarantees long-lasting performance and corrosion resistance. Featuring a 4-40 thread size and ASME B18.6.3 specification, it ensures a precise fit and secure hold. The slotted drive type offers easy installation, while the fillister head design provides a sleek and professional finish. With a length of .1875 inches, it's perfect for a variety of applications. Rest assured, this screw is also RoHS compliant, meeting strict environmental standards. Upgrade your toolkit with this essential component for efficient and effective fastening.