The Button Head Socket Cap Screw, a versatile fastening solution suitable for a wide range of applications. This stainless steel screw features a 4-40 thread size, meeting ASME B18.3 specifications for quality and performance. With a sleek Pin-In Torx drive type, it offers secure and efficient installation. The .5-inch length makes it ideal for use in projects requiring precision and durability. Plus, its RoHS compliance ensures environmental responsibility. Upgrade your fastening arsenal with this high-quality screw.