S-92196A183 3-56 x 5/16" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
• High tensile strength of 70,000 psi ensures secure fastening under heavy loads and vibration.
• Precision Class 3A fine UNF threads provide excellent engagement and reduced risk of cross-threading in tight spaces.
• Rockwell B70 hardness offers excellent wear resistance and durability for repeated use.
• Hex socket drive (5/64") allows for high torque application and easy installation in confined areas.
• Fully threaded design ensures consistent clamping force along the entire 5/16" length.
• Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards for industrial applications.

Professional Applications & Engineering Value

This 18-8 Stainless Steel Socket Head Cap Screw with a 3-56 UNF fine thread is engineered to address critical challenges in precision assemblies. The Class 3A thread fit and fine thread spacing deliver superior vibration resistance and clamping force in applications like machinery, electronics, and automotive components where space is limited. The corrosion-resistant material and high tensile strength prevent failure in demanding conditions, while the hex drive design enables efficient installation with standard tools. Ideal for OEM and MRO uses, it ensures long-term performance and reduces maintenance needs in industrial settings.

Specification Summary & Compliance

This screw features a 3-56 UNF thread with Class 3A precision tolerance for accurate fit, a 5/16" length, and fully threaded rod type. It meets ASME B18.3 manufacturing specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industry-standard reliability.