S-90346A125 10-32 x 5/8" ASME B18.3 High-Strength 316 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 Stainless Steel construction, ideal for chemical, marine, and outdoor applications.
• Exceptional mechanical strength with a tensile strength of 110,000 psi and Rockwell C25 hardness, ensuring reliable performance under high stress.
• Precise and secure fastening guaranteed by the Class 3A UNF fine thread fit, minimizing the risk of loosening in vibration-prone assemblies.
• Optimized torque transmission and access with the 5/32" hex drive and standard socket head profile, facilitating installation in confined spaces.
• Enhanced durability and fatigue resistance from the cold worked fabrication process, extending the fastener's service life.
• Full thread engagement along the 5/8" length for maximum grip and load distribution in connected components.
• Guaranteed quality and safety through compliance with ASME B18.3, RoHS 3, and REACH, meeting stringent industrial and environmental standards.

Professional Applications & Engineering Value

This 10-32 UNF Socket Head Cap Screw is engineered to solve critical challenges in demanding industrial settings. The 316 Stainless Steel material provides excellent resistance to corrosion and pitting, making it a top choice for applications in chemical processing, marine equipment, and food machinery where exposure to moisture and aggressive agents is common. The Class 3A thread fit and fine thread spacing ensure a tight, secure connection that resists vibration-induced loosening, a common failure point in dynamic assemblies. Combined with its 110,000 psi tensile strength, this socket head screw is ideal for high-stress applications in aerospace, automotive, and precision machinery, where fastener integrity is non-negotiable. The cold worked fabrication enhances its grain structure, providing superior toughness and reliability in cyclic loading conditions.

Specification Summary & Compliance

This fastener features a 10-32 UNF thread with a precision Class 3A fit for high-accuracy assemblies. It is manufactured to meet the dimensional and mechanical requirements of ASME B18.3. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in various markets. The inch system measurements, including the 5/8" length and 5/32" hex drive, adhere to standardized specifications for reliable interchangeability.