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Sirius 12.9 Grade Socket Head Cap Screws UNC 5/16 UNC 5/8" Pack of 200 - Image 1
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Sirius 12.9 Grade Socket Head Cap Screws UNC 5/16 UNC 5/8" Pack of 200

Sirius

Compare today's prices on the "Sirius 12.9 Grade Socket Head Cap Screws UNC 5/16 UNC 5/8" Pack of 200".

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Last Updated: 19/09/2026
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Product Description

Compare today's prices on the "Sirius 12.9 Grade Socket Head Cap Screws UNC 5/16 UNC 5/8" Pack of 200".

Sirius 12.9 Grade Socket Head Cap Screws UNC 5/16 UNC 5/8" Pack of 200

These socket head cap screws deliver exceptional strength and reliability for demanding mechanical and engineering applications. Manufactured from high-grade alloy steel and heat treated to a tensile strength of 12.9, they offer outstanding load-bearing capacity and durability, making them ideal for projects that require secure, high-performance fastening. The UNC thread profile ensures compatibility with standard 5/16 inch nuts and tapped holes, while the 5/8 inch length provides ample engagement for a wide range of assembly tasks. With a pack of 200, you have a generous supply on hand for multiple jobs, reducing downtime and helping you maintain workflow efficiency.

- Made from high tensile alloy steel, rated to Grade 12.9 for maximum strength

- UNC thread size: 5/16 inch; length: 5/8 inch

- Hexagon socket drive allows for high torque application and secure fastening

- Black oxide finish offers corrosion resistance and a professional appearance

- Pack of 200 ensures cost-effective bulk supply for workshop or industrial use

- Suitable for use in machinery, automotive, construction and general fabrication

Trust these precision-engineered screws to hold your critical assemblies together, time after time.

GTIN: 5056293250801