S-92185A601 5/16"-18 x 1 1/2" Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 316 stainless steel construction, ideal for harsh chemical and marine environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for high-stress applications
• Precise thread engagement with Class 3A thread fit ensuring reliable fastening and vibration resistance
• Enhanced durability through passivated surface finish that increases corrosion protection and extends service life
• Optimal drive efficiency with standard 1/4" hex socket head design for secure tool engagement and torque transmission
• Full thread coverage along the entire 1-1/2" length provides maximum grip and load distribution
• Regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing

Professional Applications & Engineering Value

These 316 stainless steel socket head cap screws deliver critical performance advantages in demanding industrial settings where corrosion resistance and mechanical reliability are paramount. The combination of UNC coarse threads and Class 3A thread fit ensures rapid installation with minimal cross-threading risk while maintaining precise tolerances for vibration-prone equipment. The passivated finish significantly enhances the natural corrosion resistance of 316 stainless steel, making these fasteners ideal for chemical processing, marine applications, and food processing equipment where exposure to corrosive agents is common. With fully threaded design and right-hand thread direction, these screws provide maximum clamping force distribution across the entire engagement length, solving common challenges of joint loosening and material fatigue in heavy machinery, automation systems, and structural assemblies.

Specification Summary & Compliance

This socket head cap screw features 5/16"-18 UNC coarse threads with Class 3A thread fit precision manufactured to inch system standards. The fastener maintains dimensional accuracy with a head diameter of 15/32" and overall length of 1-1/2". Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and restricted substance adherence. Mechanical properties are verified with 70,000 psi tensile strength and Rockwell B70 hardness for consistent performance in industrial applications.