S-90346A121 8-32 x 5/8" ASME B18.3 High-Strength 316 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and chemical exposure.
• Exceptional tensile strength of 110,000 psi ensures reliable performance under high-stress and heavy-duty applications.
• Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies and reduced risk of loosening.
• Enhanced durability from cold working and Rockwell C25 hardness, offering excellent wear resistance and long service life.
• Easy installation and removal with a standard hex drive (9/64") and socket head design, allowing for high torque application in confined spaces.
• Wide compatibility with 8-32 UNC coarse threads, ensuring easy mating with standard nuts and tapped holes in various industrial equipment.
• Full regulatory compliance with ASME B18.3, RoHS, and REACH, guaranteeing safety and environmental standards for global supply chains.

Professional Applications & Engineering Value

This 316 Stainless Steel Socket Head Cap Screw is engineered to address critical challenges in demanding sectors such as marine, chemical processing, and food machinery, where corrosion resistance and structural integrity are paramount. The UNC coarse thread design facilitates quick assembly and disassembly, reducing downtime in maintenance-heavy operations. With a fully threaded rod and Class 3A fit, it ensures uniform load distribution and minimizes the risk of thread stripping in high-vibration environments. The cold worked fabrication enhances its mechanical properties, making it a reliable choice for applications requiring sustained tensile strength and longevity under cyclic loads. Ideal for securing components in machinery, enclosures, and structural frames, this fastener delivers consistent performance where failure is not an option.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including 8-32 UNC coarse threads with a Class 3A thread fit for superior accuracy. It is manufactured in compliance with ASME B18.3 specifications and meets regulatory requirements such as RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring environmental safety and material sustainability. The screw features a fully threaded design with a length of 5/8", providing consistent engagement and reliability in assembled structures.