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

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

These high-tensile socket head cap screws deliver exceptional strength and reliability for demanding industrial and engineering applications. Made from premium alloy steel and heat treated to Grade 12.9, they offer superior tensile strength compared to standard grades, making them ideal for securing heavy machinery, automotive assemblies, and structural fixings where failure is not an option. Each screw features a clean, precise UNC thread profile for a secure and consistent fit in standard 1/2 inch tapped holes.

- Manufactured to Grade 12.9 specification for high tensile strength and durability

- UNC 1/2 inch thread size with 3 inch length for robust fastening applications

- Pack of 50 screws provides convenient bulk supply for professional users

- Socket head design allows for efficient tightening with hex key tools

- Heat treated and hardened for excellent wear resistance and long service life

- Corrosion-resistant black oxide finish offers moderate protection in workshop environments

- Precision rolled threads ensure smooth insertion and reliable clamping force

- Compliant with ISO 898-1 and DIN 912 standards for quality assurance

Ideal for engineers, fabricators, and maintenance professionals who demand consistent performance under high stress.

GTIN: 5014196339030