Sirius 12.9 Grade Socket Head Cap Screws UNC

This variant of the Sirius 12.9 Grade Socket Head Cap Screws is sized at 5/16 UNC diameter x 1" length, supplied in a pack of 200. A popular general-purpose 5/16 UNC fastener offering a practical 1" shank length for a broad range of medium-duty mechanical and industrial fastening applications. 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 • Compact head profile for use in tight spaces • Precision-machined threads for consistent performance Specification