Enhance the fastening strength of your projects with our Fillister Head Machine Screw. Crafted from durable stainless steel, this 4-40 threaded screw is designed to meet ASME B18.6.3 specifications, ensuring reliability and performance. The Phillips drive type allows for easy installation, while the fillister head offers a secure grip. With a length of 0.5 inches, it is perfect for a variety of applications. Plus, rest assured knowing that it is RoHS compliant, making it an environmentally-friendly choice for your projects. Upgrade your fastening solutions with this high-quality machine screw.