Sirius 12.9 Grade Socket Head Cap Screws UNC 5/16 UNC 2" Pack of 200

This variant of the Sirius 12.9 Grade Socket Head Cap Screws is sized at 5/16 UNC diameter x 2" length, supplied in a pack of 200. A longer 5/16 UNC fastener well suited to deeper through-bolt applications and thicker-material assemblies requiring reliable high-tensile performance at this mid-range diameter. Features and Benefits: • Grade 12.9 high tensile alloy steel construction • UNC thread for secure, compatible fastening • Internal hex socket head for high torque drive •