Introducing our Sems Machine Screw, a versatile fastening solution designed for optimal performance. This ASME B18.13 compliant screw features a #2-56 thread size, crafted from durable steel with a yellow zinc finish for enhanced corrosion resistance. Its unique design includes a square conical washer for secure attachment, complemented by a pan head and Torx drive for easy installation. With a length of .4375 inches, it offers precise functionality in a wide range of applications. Rest assured, this high-quality screw meets stringent industry standards for reliability and durability.