S-98511A631 1/4"-20 x 3/4" Aluminum Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 2024 aluminum construction, ideal for harsh environments without added coatings
• Precise thread engagement with Class 3A fit ensures reliable, vibration-resistant fastening in critical assemblies
• High torque capability from the standard hex socket drive (3/16") allows secure installation in confined spaces
• Full thread coverage along the 3/4" length provides maximum adjustability and holding power
• Broad industrial compatibility with UNC coarse threads (1/4"-20) for quick assembly and disassembly
• Regulatory compliance with RoHS 3 and REACH standards guarantees safe use in regulated industries
• Lightweight durability reduces overall system weight while maintaining structural integrity

Professional Applications & Engineering Value

Engineered for precision machinery, aerospace components, and electronic enclosures, these 2024 aluminum socket head cap screws address common industrial challenges like galvanic corrosion and weight reduction. The Class 3A thread fit and UNC coarse threading deliver consistent clamping force in high-vibration environments, preventing loosening in dynamic assemblies. With a fully threaded design and hex drive compatibility, they simplify maintenance in tight spaces while the right-hand thread direction ensures intuitive installation. Ideal for applications requiring corrosion-resistant fasteners without sacrificing strength, these screws optimize performance in automotive, robotics, and instrumentation systems.

Specification Summary & Compliance

Manufactured to inch system standards with precise UNC 1/4"-20 coarse threads and Class 3A thread fit tolerances for superior engagement. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety. The socket head profile adheres to industry-standard hex drive specifications for consistent torque application.