Sirius 12.9 Grade Socket Head Cap Screws UNC 1/2 UNC 3" 1/2" Pack of 50

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Sirius 12.9 Grade Socket Head Cap Screws UNC 1/2 UNC 3" 1/2" Pack of 50

These premium socket head cap screws deliver exceptional tensile strength and reliability for demanding industrial and mechanical applications. Manufactured from high-grade alloy steel and hardened to 12.9 specification, they provide superior clamping force and resistance to shear and fatigue, making them ideal for securing heavy machinery, automotive assemblies, and structural components where failure is not an option. Each screw offers a perfect balance of hardness and ductility, ensuring a secure, long-lasting fastening even under high stress and repeated loading.

- Grade 12.9 alloy steel for maximum strength and durability

- UNC (Unified Coarse) thread profile for standard imperial applications

- Thread size: 1/2 inch diameter, length: 3 inches nominal

- Hex socket drive allows secure tightening with standard Allen keys

- Black oxide finish provides moderate corrosion resistance and reduces galling

- Sold in a pack of 50 screws, ideal for professional and workshop use

- Precision manufactured to tight tolerances for consistent thread engagement

With these high-strength fasteners, you can tackle the toughest jobs with confidence, knowing each screw meets rigorous engineering standards.

GTIN: 5014196339047