
| Brand | Unbrako |
| Product Type | Socket Screw |
| Head Type | Socket Head Cap |
| Thread Form | BSW |
| Diameter | 1/4 Inch |
| Length | 3.1/2 Inch |
| Quantity Per Box | 10 Pcs |
| Color | Black |
| Material | High Tensile Steel |
The Unbrako 1/4 x 3.1/2 Inch Socket Head Cap Screw (Allen Bolt) is engineered to provide superior strength and precision for a variety of industrial and mechanical applications. Designed for demanding environments, this fastener is ideal for use in machinery, automotive assemblies, and structural projects where secure and durable connections are essential. Packaged in a bulk quantity of 200 pieces, this set offers both efficiency and value, ensuring you have a reliable supply for large-scale tasks.
Key Features:
- High-Strength Alloy Steel Construction
These socket head cap screws are made from high-quality alloy steel, which ensures exceptional strength and durability. The robust construction is designed to handle substantial loads and resist wear and deformation, making them suitable for heavy-duty applications in machinery, automotive systems, and industrial equipment. - Extended 3.1/2 Inch Length for Enhanced Reach
With a length of 3.1/2 inches, these bolts are perfect for applications that require additional reach. The extended length allows for secure fastening in thicker or deeper materials, enhancing their versatility and making them suitable for a wide range of mechanical and structural assemblies. - Hexagonal Socket Head for Optimal Torque Application
The hexagonal socket head design enables high-torque application, ensuring a secure and tight fit. The Allen drive allows for easy installation and removal with an Allen wrench, reducing the risk of stripping and providing a flush fit in the assembly. This design is ideal for high-stress conditions where precise tightening is required. - Corrosion-Resistant Finish for Long-Term Durability
These screws feature a corrosion-resistant coating that protects them from rust, moisture, and environmental damage. The finish ensures that the bolts maintain their strength and appearance over time, even when exposed to harsh conditions, thereby extending the lifespan of the fasteners and minimizing maintenance needs. - British Standard Whitworth (BSW) Threading for Versatility
Equipped with British Standard Whitworth (BSW) threading, these screws are compatible with a broad range of equipment and assemblies adhering to British standards. The precise BSW threading ensures a reliable and secure fit, making these bolts a versatile choice for various industrial and engineering applications.
The Unbrako 1/4 x 3.1/2 Inch Socket Head Cap Screw (Allen Bolt) combines strength, precision, and durability for demanding applications. With its high-strength alloy steel construction, extended length, and corrosion-resistant finish, this fastener is designed to excel in heavy-duty environments. The hexagonal socket head facilitates high-torque application and easy installation, while the BSW threading ensures compatibility with British Standard systems. The bulk pack of 200 pieces offers excellent value and convenience for large projects. Trust Unbrako for top-quality fasteners that deliver outstanding performance and reliability.


