S-98511A603 1/4"-20 x 3/8" Aluminum Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with blue-anodized 2024 aluminum construction, ideal for harsh industrial environments
• Precise Class 3A thread fit ensures reliable, vibration-resistant fastening in critical assemblies
• 3/16" hex drive design provides secure tool engagement and reduces stripping risks during installation
• Fully threaded UNC coarse thread enables rapid installation and strong holding power in various materials
• RoHS 3 and REACH compliance guarantees environmental safety and regulatory acceptance for global supply chains
• Lightweight aluminum construction reduces overall assembly weight without compromising strength
• Standard socket head profile offers compatibility with common hex tools for maintenance flexibility

Professional Applications & Engineering Value

Engineered for precision applications requiring both durability and weight efficiency, this 1/4-20 UNC socket head cap screw addresses common industrial challenges. The blue-anodized 2024 aluminum construction provides excellent corrosion resistance while maintaining structural integrity in demanding environments. With its Class 3A thread fit and coarse UNC threading, this fastener delivers superior vibration resistance and quick assembly in machinery, aerospace components, and electronic enclosures. The fully threaded design ensures maximum grip length for secure fastening in thin materials, while the 3/16" hex drive prevents cam-out during high-torque applications. Ideal for applications where weight reduction, regulatory compliance, and reliable performance are critical.

Specification Summary & Compliance

This socket head cap screw features precision 1/4"-20 UNC coarse threads with Class 3A fit for tight tolerance applications. Manufactured to inch system standards with right-hand threading and fully threaded rod configuration. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in restricted substance-sensitive applications. The blue-anodized surface treatment provides additional protection while maintaining dimensional accuracy across all critical features including head diameter, drive size, and thread specifications.