Sirius 12.9 Grade Socket Head Cap Screws UNC

This variant of the Sirius 12.9 Grade Socket Head Cap Screws is sized at 1/4 UNC diameter x 2" length, supplied in a pack of 200. The longest 1/4 UNC option in the range, this fastener is well suited to deep-material fastenings and through-bolt applications requiring maximum shank length at this 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 • Co