Introducing our Fillister Head Machine Screw, a premium fastening solution crafted from durable stainless steel. Designed to meet ASME B18.6.3 specifications, this screw features a 4-40 thread size, making it ideal for a wide range of applications. The Phillips drive type offers easy installation, while the fillister head provides a secure hold. With a length of .3125 inches, it's perfect for various projects. Plus, rest assured knowing it's RoHS compliant, making it an environmentally friendly choice. Upgrade your fastening arsenal with this high-quality machine screw.