S-92185A581 5/16"-18 x 3/4" 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 with passivated finish
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Precise thread engagement with Class 3A UNC coarse threads ensuring secure fastening and vibration resistance
• Easy installation and removal using standard 1/4" hex drive tools with familiar socket head design
• Full thread coverage along the entire 3/4" length provides maximum grip and adjustment flexibility
• Compliance with environmental regulations including RoHS 3 and REACH for global industrial applications
• Right-hand thread design offers standard directional operation compatible with most equipment

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this 316 stainless steel socket head cap screw delivers exceptional performance where corrosion resistance and mechanical reliability are critical. The passivated finish enhances the natural corrosion-fighting properties of 316 stainless steel, making it ideal for chemical processing, marine applications, and food processing equipment where exposure to moisture and aggressive substances is common. The Class 3A thread fit with UNC coarse threads provides superior vibration resistance and faster assembly compared to fine-thread alternatives, while the socket head design with 1/4" hex drive allows for high-torque installation in confined spaces. These fully threaded fasteners maintain consistent clamping force across the entire engagement length, preventing loosening under dynamic loads and ensuring long-term joint integrity in machinery, structural assemblies, and precision equipment.

Specification Summary & Compliance

This socket head cap screw features precision 5/16"-18 UNC coarse threads with Class 3A fit for superior dimensional accuracy and consistent performance. Manufacturing complies with industry standards for socket head cap screws, ensuring reliable mechanical properties including 70,000 psi tensile strength and Rockwell B70 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety requirements for industrial components.