S-92186A803 5/8"-11 x 2 1/4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under heavy loads
• Precise thread engagement with Class 2A thread fit ensuring consistent assembly and reduced risk of cross-threading
• Optimized torque transmission through the external hex drive design, allowing for secure installation with standard tools
• Enhanced design flexibility with partially threaded shank, providing both gripping and clamping functions in various applications
• Industry-standard compliance meeting ASME B18.2.1 specifications for dimensional accuracy and interchangeability
• Environmental responsibility with RoHS 3 and REACH compliance, ensuring safe use in regulated industries

Professional Applications & Engineering Value

These 5/8"-11 UNC hex head screws deliver exceptional engineering value in demanding industrial settings where corrosion resistance and mechanical reliability are paramount. The 316 stainless steel composition provides superior protection against chemical corrosion and atmospheric degradation, making these fasteners ideal for marine equipment, chemical processing plants, and food processing machinery. The coarse UNC thread design ensures rapid assembly and superior holding power in softer materials or applications subject to vibration. With their partially threaded configuration, these screws offer precise clamping control while maintaining full thread engagement in critical load-bearing sections. The external hex drive delivers efficient torque transmission for high-tension applications, while the standardized dimensions guarantee compatibility with existing tooling and equipment across various industrial sectors.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit tolerances with 5/8"-11 UNC coarse threads and right-hand thread direction. Manufacturing complies with ASME B18.2.1 standards for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications worldwide.