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The Flat Head Socket Cap Screw, a reliable and versatile fastening solution for various applications. With its ASME B18.3 specification, this screw is designed for optimal performance and durability. Made of high-quality steel with a zinc finish coating, it offers excellent corrosion resistance, making it suitable for both indoor and outdoor use. The 4-40 thread size ensures a secure fit, while the 0.5-inch length makes it ideal for medium-duty fastening tasks. Rest assured, this screw is RoHS compliant, meeting the highest standards for environmental responsibility. Upgrade your toolkit with this essential hardware component.