S-92185A555 1/4"-20 x 2 1/2" 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 performance under heavy loads
• Precise thread engagement with Class 3A fit ensuring secure fastening and vibration resistance in critical assemblies
• Optimized drive efficiency through hex socket design with 3/16" drive size for high torque application without stripping
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Versatile partial threading allowing both clamping and alignment functions in complex mechanical assemblies
• Coarse thread advantage with UNC 1/4"-20 pattern enabling quicker installation and reduced cross-threading risks

Professional Applications & Engineering Value

This 316 stainless steel socket head cap screw delivers critical performance advantages in demanding industrial environments where corrosion resistance and mechanical reliability are paramount. The combination of UNC coarse threads with Class 3A precision fit ensures rapid installation while maintaining vibration-resistant securement in machinery, marine equipment, and chemical processing applications. The passivated finish enhances the inherent corrosion resistance of 316 stainless steel, providing extended service life in acidic or saline conditions. With 70,000 psi tensile strength and Rockwell B70 hardness, this fastener maintains clamping force under dynamic loads, making it ideal for precision equipment, automotive assemblies, and structural frameworks where failure is not an option.

Specification Summary & Compliance

Manufactured to exacting standards with Class 3A thread fit precision and UNC 1/4"-20 coarse thread specifications. The 2 1/2" length with 1" minimum thread length provides optimal engagement depth. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance across global markets. The partially threaded design with right-hand direction follows industry-standard configurations for seamless integration into existing assemblies.