S-98511A211 4-40 x 1/4" 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
- Exceptional strength-to-weight ratio from 7075 aluminum alloy for reliable performance in weight-sensitive applications without compromising durability.
- Precise Class 3A thread fit ensures tight, secure connections with minimal backlash in high-vibration industrial environments.
- Fully threaded design provides consistent engagement along the entire 1/4" length for uniform load distribution and enhanced fastening integrity.
- Standard UNC coarse threads enable quick assembly and reduced cross-threading risks in repetitive mechanical operations.
- Hex socket drive (3/32") offers high torque transmission and clean installation in confined spaces with standard Allen keys.
- RoHS 3 and REACH compliance guarantees environmentally safe materials suitable for regulated industries and export markets.
- Right-hand threading simplifies installation with conventional tools, streamlining maintenance and production workflows.
Professional Applications & Engineering Value
Engineered for precision industrial assemblies, this 7075 aluminum socket head cap screw addresses critical needs in aerospace, robotics, and high-performance machinery where weight reduction and corrosion resistance are paramount. The Class 3A thread fit and UNC coarse threading prevent loosening under dynamic loads, while the fully threaded rod type ensures maximum grip in thin materials. Its hex drive design allows for high clamping force in tight spaces, reducing assembly time and improving serviceability. Ideal for mechanical fastening in environments demanding strict adherence to material regulations without sacrificing mechanical properties.
Specification Summary & Compliance
Manufactured to inch system standards with UNC 4-40 threads and Class 3A thread fit for precise dimensional accuracy. Complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring hazardous substance-free components. Thread direction: right hand; drive size: 3/32"; length: 1/4".
