S-98511A151 4-40 x 3/4" Aluminum Socket Head Screws
Aluminum Socket Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior strength-to-weight ratio with 7075 aluminum construction, ideal for applications where weight reduction is critical without sacrificing durability.
- Precise, reliable fastening ensured by Class 3A thread fit, minimizing the risk of cross-threading and providing consistent clamping force.
- Easy installation and removal with a 3/32" hex drive, allowing for high torque application in confined spaces using standard Allen keys.
- Full thread engagement along the entire 3/4" length, offering maximum grip and load distribution in assembled components.
- Coarse UNC thread design enables quick assembly and disassembly, reducing labor time in high-volume production environments.
- Compliance with environmental regulations, including RoHS 3 and REACH, ensuring safe use in various industrial and consumer products.
- Standard socket head profile provides a low-profile, sleek finish that fits seamlessly into machined counterbores.
Professional Applications & Engineering Value
This 7075 aluminum socket head cap screw is engineered for demanding applications where lightweight, high-strength fasteners are essential. The 4-40 UNC coarse thread and Class 3A fit deliver exceptional precision, reducing the risk of thread damage during repeated assembly in aerospace, automotive, and precision machinery. The fully threaded design ensures uniform stress distribution, preventing loosening under vibration. With a 3/32" hex drive, it allows for efficient torque transmission in tight spaces, enhancing assembly speed and reliability. Its aluminum material resists corrosion while maintaining structural integrity, making it ideal for weight-sensitive and corrosive environments.
Specification Summary & Compliance
This socket head cap screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Dimensions include a 3/4" length, 0.183" head diameter, and 3/32" hex drive size. It is manufactured from 7075 aluminum and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.
