Introducing our Fillister Head Machine Screw, a durable and versatile fastening solution perfect for a wide range of applications. Crafted from high-quality stainless steel, this screw offers exceptional corrosion resistance and longevity. With a thread size of 4-40 and ASME B18.6.3 compliance, it guarantees precise and secure fastening. The slotted drive type ensures easy installation, while the fillister head design provides a neat finish. Measuring .25 inches in length, this screw is ideal for use in various projects. Plus, its RoHS compliance underscores our commitment to environmental responsibility. Trust in the quality and performance of this essential hardware component for your next project.