Enhance the strength and durability of your projects with our Button Head Socket Cap Screw. Made of high-grade steel with a Thermal Black Oxide finish, these screws are designed to withstand tough conditions. Featuring a 5/16-18 thread size and ASME B18.3 specification type, they ensure precise and secure fastening. The 1.5-inch length and hex socket drive type make them versatile for various applications. Additionally, their RoHS compliance underscores our commitment to environmental responsibility. Upgrade your assembly process with these reliable and efficient screws.