Enhance your assembly projects with this sleek and durable Button Head Socket Cap Screw. Crafted from high-quality stainless steel, it ensures reliability and longevity. Featuring a Torx drive type for easy installation, this screw is perfect for a variety of applications. With a 4-40 thread size and ASME B18.3 specification, it guarantees a precise fit. The .4375-inch length offers versatility, making it a must-have in your toolkit. Plus, rest assured of its environmental friendliness with its RoHS compliance. Upgrade your fastening solutions with this top-quality screw.