S-92196A119 4-40 x 1 1/2" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh environments.
• High tensile strength of 70,000 psi ensures reliable performance under significant mechanical stress.
• Precise Class 3A thread fit provides excellent engagement and vibration resistance in assemblies.
• Rockwell B70 hardness offers exceptional wear resistance and long-term durability.
• Hex socket drive design allows for high torque application and secure installation in confined spaces.
• Compliance with ASME B18.3, RoHS 3, and REACH guarantees material safety and meets strict industrial standards.
• 4-40 UNC coarse threads enable quick assembly and reduced cross-threading risks.

Professional Applications & Engineering Value

This 18-8 Stainless Steel Socket Head Cap Screw is engineered to address critical challenges in precision machinery, automotive, and electronics assembly. Its 4-40 UNC coarse thread and Class 3A fit ensure secure fastening with minimal loosening under vibration, while the partially threaded design allows for controlled clamping force. The hex drive facilitates easy installation in tight spaces, reducing assembly time. Made from corrosion-resistant stainless steel, it withstands exposure to moisture and chemicals, making it a reliable choice for industrial fasteners in demanding applications where durability and compliance are paramount.

Specification Summary & Compliance

This screw adheres to ASME B18.3 specifications, with a Class 3A thread fit for high precision and UNC coarse threads (4-40 size). It features a minimum thread length of 3/4" and is manufactured from 18-8 Stainless Steel with a tensile strength of 70,000 psi and Rockwell B70 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.