The CUP-POINT SOCKET SET-SCREW 3/8"-16 X 1" is designed for reliable fastening with a headless design that allows for tight spaces. Featuring a hex drive for easy installation and a cup-shaped indentation to provide a strong grip, this set screw is the most commonly used style in industrial applications. With a Rockwell hardness of C45-53, it ensures durability and resistance to wear. The dimensions of this set screw are 3/8"-16 in diameter and 1" in length, making it versatile for various fastening needs.