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Sirius 12.9 Grade Socket Head Cap Screws UNC 3/8 UNC 2 1/2 Pack of 100 - Image 1
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Sirius 12.9 Grade Socket Head Cap Screws UNC 3/8 UNC 2 1/2 Pack of 100

Sirius

Compare today's prices on the "Sirius 12.9 Grade Socket Head Cap Screws UNC 3/8 UNC 2 1/2 Pack of 100".

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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 3/8 UNC 2 1/2 Pack of 100".

Sirius 12.9 Grade Socket Head Cap Screws UNC 3/8 UNC 2 1/2 Pack of 100

These high-strength socket head cap screws offer superior tensile performance for demanding fastening applications, making them a reliable choice when maintaining secure joints under heavy loads and vibration. Manufactured to the rigorous 12.9 grade standard, they provide exceptional durability for engineering, automotive, and industrial use.

- 12.9 grade alloy steel construction for maximum tensile strength and hardness

- UNC 3/8 thread form for compatibility with standard Unified coarse thread nuts and tapped holes

- 2 1/2 inch overall length suited for thicker material assemblies or stacked components

- Socket head cap design enables high torque application using a hex key (Allen key)

- Pack of 100 screws for volume users, workshop stock, or production runs

- Precision rolled threads ensure consistent fit, reduced galling, and reliable clamping force

- Black oxide finish offers basic corrosion resistance and a professional appearance

Choose these screws for projects that demand high clamping force, repeatable torque values, and long-term reliability in structural or mechanical assemblies.

GTIN: 5014196338903