Sirius 12.9 Grade Socket Head Cap Screws UNC 3/8 UNC 3/4" Pack of 200

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Sirius 12.9 Grade Socket Head Cap Screws UNC 3/8 UNC 3/4" Pack of 200

These socket head cap screws deliver outstanding tensile strength and durability, making them an ideal choice for heavy-duty fastening applications. Manufactured to the demanding 12.9 grade specification, they provide superior holding power and reliability in machinery, automotive, and construction projects where safety and performance are critical. Each screw is precision-engineered to ensure a secure fit and consistent clamping force, even under high stress and vibration.

- Grade 12.9 alloy steel construction for exceptional hardness and tensile strength

- Unified National Coarse (UNC) thread profile, 3/8 inch diameter and 3/4 inch length

- Hexagon socket drive for positive engagement and easy installation with standard Allen keys

- Black oxide finish offers moderate corrosion resistance and reduces friction during assembly

- Supplied in a convenient pack of 200 pieces to keep your workshop well-stocked

- Meets strict dimensional tolerances for reliable interchangeability and repeatable performance

Whether you are maintaining industrial equipment or assembling custom fixtures, these cap screws provide the robustness and consistency you need.

GTIN: 5014196455754