Sirius 12.9 Grade Socket Head Cap Screws UNC

This variant of the Sirius 12.9 Grade Socket Head Cap Screws is sized at 1/2 UNC diameter x 1-1/4" length, supplied in a pack of 100. A practical mid-length 1/2 UNC fastener for heavy-duty structural joints, machinery assemblies and industrial applications requiring reliable high-tensile performance. 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 Specif