S-98511A613 1/4"-20 x 1/2" Aluminum Socket Head Screws

Key Features & Benefits at a Glance

• Lightweight yet durable construction from 2024 aluminum reduces overall assembly weight while maintaining structural integrity in demanding applications.
• Enhanced corrosion resistance through blue-anodized surface treatment prolongs service life in harsh industrial environments.
• Precision Class 3A thread fit ensures superior engagement and vibration resistance for reliable fastening performance.
• Standard hex socket drive with 3/16" drive size provides secure tool engagement and prevents stripping during high-torque installation.
• Fully threaded design offers maximum grip length and uniform load distribution across the entire fastener length.
• Right-hand coarse UNC threading enables quick installation and removal while maintaining secure holding power.
• Regulatory compliance with RoHS 3 and REACH standards ensures environmental responsibility and global market acceptance.

Professional Applications & Engineering Value

Engineered for precision assemblies requiring lightweight fastening solutions, this blue-anodized 2024 aluminum socket head cap screw delivers exceptional performance in aerospace, electronics, and automotive applications. The Class 3A UNC thread fit provides superior dimensional accuracy that eliminates play and prevents loosening under vibration, while the coarse thread spacing ensures rapid installation in production environments. The fully threaded design maximizes clamping force distribution, making it ideal for components requiring uniform pressure along the entire engagement length. The anodized surface treatment not only provides corrosion protection but also maintains electrical insulation properties, crucial for sensitive electronic enclosures and machinery where galvanic corrosion must be prevented.

Specification Summary & Compliance

This 1/4"-20 UNC socket head cap screw features precision Class 3A thread fit with right-hand coarse threading and standard socket head profile. Manufactured to inch system specifications with a head diameter of 3/8" and overall length of 1/2". The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.