The Fillister Head Machine Screw, a reliable fastening solution for a variety of applications. This ASME B18.6.3 compliant screw features a 4-40 thread size, perfect for securely joining components together. Made of durable steel with a zinc finish coating, it ensures long-lasting strength and corrosion resistance. The slotted drive type offers easy installation, while the fillister head design provides a neat and flush finish. With a length of .1875 inches, this screw is ideal for projects requiring precise fastening. Plus, it's RoHS compliant, making it a sustainable choice for environmentally conscious users. Upgrade your toolbox with this high-quality machine screw for all your assembly needs.