S-90666A019 1/4"-20 x 1" Super-Corrosion-Resistant 316 Stainless Steel Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction for reliable performance in harsh environments
• Precise thread engagement with Class 3A fit ensuring secure fastening and vibration resistance
• High strength-to-weight ratio delivering 70,000 psi tensile strength for demanding applications
• Space-saving low profile design allowing installation in confined spaces without compromising strength
• Enhanced durability with Rockwell B70 hardness providing excellent wear resistance
• Quick installation with standard 1/8" hex drive and UNC coarse threading for efficient assembly
• Regulatory compliance meeting RoHS 3 and REACH standards for environmental and safety requirements

Professional Applications & Engineering Value

This 316 stainless steel low profile socket head cap screw delivers exceptional engineering value in applications where corrosion resistance, space constraints, and precision assembly are critical. The UNC coarse threading with Class 3A fit ensures reliable performance in high-vibration environments common in industrial machinery, marine equipment, and chemical processing systems. The low profile socket head design provides clearance advantages while maintaining full 70,000 psi tensile strength, making it ideal for compact assemblies where standard socket heads would interfere. The combination of Rockwell B70 hardness and 316 stainless steel material offers superior protection against galvanic corrosion and stress cracking, extending service life in demanding conditions while maintaining right-hand thread compatibility with standard industrial components.

Specification Summary & Compliance

This fully threaded socket head cap screw features precision 1/4"-20 UNC coarse threading with Class 3A thread fit for superior dimensional accuracy. Manufactured to exacting standards with 1" length and 1/8" hex drive size, the fastener ensures consistent performance across industrial applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety standards for industrial components while maintaining the mechanical properties required for critical fastening applications.