Sirius 12.9 Grade Socket Head Cap Screws UNC

This variant of the Sirius 12.9 Grade Socket Head Cap Screws is sized at 3/8 UNC diameter x 1-1/4" length, supplied in a pack of 200. Provides increased thread engagement for thicker components, making it a strong choice for flanged joints and medium-to-heavy structural assemblies. 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 Specifications: Diameter: 3/8 UNC Length: 1-1/4" Qty: Pack of 200 Contents: Pack of 200