Sirius 12.9 Grade Socket Head Cap Screws UNC 3/8 UNC 3" Pack of 100

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Sirius 12.9 Grade Socket Head Cap Screws UNC 3/8 UNC 3" Pack of 100

These high-strength socket head cap screws are manufactured to the exacting 12.9 grade specification, offering superior tensile strength and durability for demanding industrial and mechanical applications. Whether you are assembling machinery, securing fixtures, or undertaking heavy-duty repairs, these screws deliver reliable clamping force and long-lasting performance. The UNC 3/8 thread profile ensures compatibility with standard imperial nuts and tapped holes, while the 3-inch length provides ample engagement for robust fastening. Each pack contains 100 pieces, making it a practical choice for projects requiring multiple fixings.

- Grade 12.9 high tensile steel for maximum strength and resistance to shear

- UNC 3/8-16 thread for standard imperial fastening systems

- 3 inch (76.2 mm) length suitable for thick materials or through-bolt applications

- Socket head design allows secure hex key driving and reduced cam-out

- Black oxide finish offers moderate corrosion protection and a professional appearance

- Pack of 100 screws ensures you have sufficient stock for multiple jobs

- Manufactured to strict dimensional tolerances for consistent fit and reliability

Ideal for engineers, mechanics, and DIY enthusiasts who demand quality fasteners for critical connections.

GTIN: 5014196338910