S-98511A651 1/4"-20 x 1 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
- Superior strength-to-weight ratio from 2024 aluminum construction reduces component weight while maintaining structural integrity
- Precise Class 3A thread fit ensures tight tolerances and reliable fastening in demanding applications
- 3/16" hex drive design provides secure tool engagement and prevents stripping during installation
- Fully threaded 1-1/4" length offers maximum grip range and consistent holding power along the entire fastener
- Coarse UNC thread spacing enables quick assembly and reduces cross-threading risks in industrial settings
- RoHS 3 and REACH compliance guarantees environmental safety and regulatory adherence for global operations
- Standard socket head profile delivers clean aesthetics and reliable performance in confined spaces
Professional Applications & Engineering Value
This 2024 aluminum socket head cap screw delivers exceptional performance in precision engineering applications where weight reduction and corrosion resistance are critical. The 1/4"-20 UNC Class 3A threads provide superior engagement in aluminum and soft material assemblies, while the coarse thread spacing ensures rapid installation in production environments. The fully threaded design maintains consistent clamping force across the entire length, making it ideal for aerospace components, electronic enclosures, and precision machinery where vibration resistance and reliable fastening are essential. The 3/16" hex drive interface prevents cam-out and tool slippage, extending both fastener and tool life in high-cycle manufacturing applications.
Specification Summary & Compliance
Manufactured to precise inch system specifications with Class 3A thread fit tolerance for superior engagement. Features 1/4"-20 UNC coarse threads with right-hand orientation and standard socket head profile. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial applications. The fully threaded design maintains consistent performance across the entire 1-1/4" length for reliable fastening solutions.
