S-92488A491 3/8"-16 x 1" 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 chemical and marine environments.
• Exceptional mechanical strength offering 110,000 psi tensile strength and Rockwell C25 hardness for reliable performance under high stress.
• Precise and secure fastening ensured by the Class 3A thread fit, minimizing the risk of loosening in critical assemblies.
• Optimized for high-torque applications with a 5/16" hex drive and standard socket head profile for easy installation and removal.
• Enhanced durability and fatigue resistance from the cold worked fabrication process, extending the fastener's service life.
• Broad compatibility and reliability with UNC coarse threads and a fully threaded 1" length for versatile use across various materials.
• Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This 316 Stainless Steel Socket Head Cap Screw is engineered to solve critical challenges in demanding industrial settings. Its corrosion-resistant properties make it indispensable in chemical processing, marine equipment, and food-grade machinery, where exposure to moisture and aggressive substances is common. The Class 3A thread fit and UNC coarse thread design provide superior vibration resistance and clamping force, preventing joint failure in high-stress applications like heavy machinery, automotive assemblies, and structural frameworks. The cold worked fabrication enhances grain structure, offering excellent tensile strength and durability, while the 5/16" hex drive allows for efficient installation in confined spaces. This combination of material excellence and precision engineering ensures long-term reliability, reducing maintenance costs and downtime in professional environments.

Specification Summary & Compliance

This fastener adheres to stringent dimensional and performance criteria, including a Class 3A thread fit for precise engagement and a UNC 3/8"-16 thread size with coarse spacing for robust holding power. Manufacturing follows ASME B18.3 specifications, ensuring consistency and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental suitability for global industrial use.