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

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

These high-strength socket head cap screws are designed for demanding applications where reliable clamping force and durability are essential. Manufactured from premium alloy steel and heat-treated to Grade 12.9, they offer superior tensile strength and resistance to shear and wear, making them ideal for use in heavy machinery, automotive assemblies, and structural fastening projects where standard bolts simply won't hold. The UNC (Unified Coarse) thread ensures compatibility with standard 5/16-inch nuts and tapped holes, while the hex socket drive allows for secure, high-torque installation with a hex key or Allen wrench.

- Grade 12.9 heat-treated alloy steel for maximum strength and longevity

- UNC 5/16-18 thread size, 1 inch length for versatile general-purpose fastening

- Pack of 200 pieces provides excellent value for bulk repairs or production runs

- Black oxide finish offers mild corrosion resistance and a professional look

- Precision-formed hex socket for a snug, slip-resistant tool fit

- Meets industry standards for high-stress bolting applications

Whether you are assembling a custom fabrication or repairing industrial equipment, this pack delivers the consistency and performance you can rely on.

GTIN: 5056293251488