S-92196A541 1/4"-20 x 7/8" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing maintenance costs.
• Superior load-bearing capability thanks to a high 70,000 psi tensile strength, ensuring joint integrity under significant stress.
• Precise and reliable fastening with Class 3A thread fit and UNC coarse threads for quick assembly and vibration resistance.
• Durable, long-lasting performance backed by Rockwell B70 hardness, resisting wear and deformation over time.
• Secure installation with standard hex drive using a 3/16" hex key, providing a flush profile and high torque application without slippage.
• Full thread engagement along the entire 7/8" length for maximum grip and uniform stress distribution.
• Compliance with major industrial standards including ASME B18.3, ensuring interchangeability and quality assurance.

Professional Applications & Engineering Value

This 18-8 Stainless Steel Socket Head Cap Screw is engineered to address critical challenges in industrial settings, such as corrosion-induced failure and joint loosening under dynamic loads. The UNC coarse thread and Class 3A fit facilitate rapid assembly while maintaining a secure hold, even in vibrating machinery. Its high tensile strength and Rockwell B70 hardness ensure that it can withstand substantial mechanical stress without stripping or shearing, making it a reliable choice for heavy-duty equipment, automotive assemblies, and precision tooling. The fully threaded design allows for adjustable clamping force, providing flexibility in applications where exact engagement length is variable. Combined with its corrosion-resistant properties, this screw delivers long-term reliability in demanding environments, reducing downtime and replacement frequency.

Specification Summary & Compliance

This socket head cap screw adheres to precise dimensional standards, featuring a 1/4"-20 UNC thread with a Class 3A fit for tight tolerances and consistent performance. It is manufactured in compliance with the ASME B18.3 specification, ensuring mechanical and dimensional reliability. Additionally, the product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, confirming its safety and environmental compliance for global industrial use.