S-90008A231 2-56 x 3/16" ASME B18.3, ASTM F837 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with silver-plated 18-8 stainless steel construction, ideal for harsh industrial environments.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration.
• Precise Class 3A thread fit provides superior engagement and reduces the risk of cross-threading during assembly.
• Hex socket drive (5/64") allows for high torque application and secure installation in confined spaces.
• Rockwell B70 hardness offers excellent durability and resistance to wear over repeated use.
• Compliance with ASME B18.3, RoHS 3, and REACH guarantees adherence to industry standards and environmental safety.
• Coarse UNC thread design enables quick assembly and disassembly, improving maintenance efficiency.

Professional Applications & Engineering Value

This 2-56 UNC thread socket head cap screw is engineered to address critical challenges in precision assemblies, such as machinery, electronics, and aerospace components. The silver-plated 18-8 stainless steel provides enhanced corrosion resistance, crucial for operations in humid or chemically aggressive settings. With a Class 3A thread fit and coarse thread spacing, it ensures rapid, secure fastening while minimizing the risk of stripping. The hex drive design facilitates high-torque installation in tight spaces, reducing assembly time and improving reliability. Ideal for applications demanding high tensile strength and long-term performance, this fastener supports efficient maintenance and reduces downtime in industrial systems.

Specification Summary & Compliance

This product features precise Class 3A thread fit and adheres to UNC thread standards with coarse spacing. Manufactured in compliance with ASME B18.3 specifications, it also meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industry conformity.