S-92185A116 4-40 x 1" Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction and passivated surface treatment
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Precise thread engagement with Class 3A fit and UNC coarse threads ensuring secure fastening in industrial applications
• Optimized drive efficiency with standard hex socket and 3/32" drive size for easy installation in confined spaces
• Full thread coverage across the entire 1" length provides maximum grip and adjustment flexibility
• Regulatory compliance with RoHS 3 and REACH standards for safe use in regulated industries
• Right-hand thread design offers standard directional tightening compatible with common assembly tools

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 316 stainless steel socket head cap screws deliver critical performance advantages where corrosion resistance and mechanical integrity are paramount. The combination of UNC coarse threads and Class 3A thread fit ensures reliable fastening in vibration-prone applications while maintaining precise dimensional stability. The passivated finish significantly enhances the natural corrosion resistance of 316 stainless steel, making these fasteners ideal for chemical processing, marine equipment, and food processing machinery where exposure to moisture and aggressive media is common. With their fully threaded design and hex socket drive, these screws provide consistent clamping force distribution and easy installation in confined spaces, solving common assembly challenges in precision equipment and machinery maintenance.

Specification Summary & Compliance

These socket head cap screws feature precision 4-40 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy. Manufactured from 316 stainless steel with Rockwell B70 hardness and 70,000 psi tensile strength, they meet rigorous mechanical performance standards. The passivated finish provides enhanced surface protection while maintaining compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for regulated industrial applications requiring documented material compliance.