Sirius 12.9 Grade Socket Head Cap Screws UNC 5/16 UNC 3/4" Pack of 200

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Sirius 12.9 Grade Socket Head Cap Screws UNC 5/16 UNC 3/4" Pack of 200

These socket head cap screws deliver exceptional strength and reliability for demanding engineering and mechanical applications. Manufactured from high-grade alloy steel and heat-treated to the exacting 12.9 grade standard, they offer the highest strength level available in metric cap screws, making them ideal for high-stress assemblies where failure is not an option. Each screw is precision-formed to ensure a consistent, snug fit in standard UNC threaded holes, reducing the risk of stripping or loosening under vibration. The pack of 200 provides a generous quantity for ongoing projects, repairs, or maintenance work.

- Grade 12.9 alloy steel for superior tensile strength and durability

- UNC 5/16 thread size with 3/4 inch length for standard imperial applications

- Socket head design allows for secure tightening with a hex key

- Heat-treated to achieve high hardness and resistance to wear

- Black oxide finish provides mild corrosion resistance and reduces glare

- Pack of 200 ensures you have enough screws for multiple jobs

- Suitable for use in machinery, automotive, industrial equipment, and structural assemblies

Secure your components with the trusted performance of Sirius 12.9 grade fasteners.

GTIN: 5056293250818