Enhance your fastening needs with this Button Head Socket Cap Screw, a versatile and durable solution for various applications. Crafted from high-quality stainless steel, it ensures reliable performance and corrosion resistance. Featuring a Torx drive type and ASME B18.3 specification, this screw guarantees secure and efficient installation. With a thread size of 4-40 and a length of .5 inches, it is perfect for a wide range of projects. Additionally, its RoHS compliance underscores our commitment to environmental responsibility. Elevate your fastening game with this premium quality screw.