S-90340A125 3/8"-16 x 3/4" Socket Head Screws for Square-Drive Wrenches

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, vibration-resistant fastening in demanding mechanical applications.
• Precise Class 3A thread fit provides excellent engagement and reduces the risk of cross-threading during installation.
• Coarse UNC threads allow for quicker assembly and disassembly, improving maintenance efficiency.
• Fully threaded design offers consistent clamping force along the entire 3/4" length for uniform load distribution.
• Durable Rockwell B84 hardness maintains thread integrity and screw head profile under high stress.
• Compliance with RoHS 3 and REACH ensures environmental safety and meets international regulatory standards.

Professional Applications & Engineering Value

This 3/8"-16 UNC Socket Head Cap Screw is engineered to address critical challenges in industrial assembly, such as vibration loosening and corrosion-induced failure. The 18-8 Stainless Steel material provides excellent resistance to rust and chemical exposure, making it suitable for outdoor equipment, marine applications, and food processing machinery. Its Class 3A thread and coarse UNC thread form ensure reliable performance in high-vibration environments, reducing maintenance downtime. The square drive style and high socket head profile allow for high torque application, preventing cam-out and ensuring a secure fit in tight spaces. These features make it an ideal choice for heavy-duty machinery, automotive components, and precision engineering projects where strength, durability, and regulatory compliance are paramount.

Specification Summary & Compliance

This socket head cap screw adheres to UNC coarse thread standards with a Class 3A thread fit for precise dimensional accuracy. Key specifications include a thread size of 3/8"-16, thread diameter of 0.375", and a length of 3/4". The manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring the product is free from hazardous substances and suitable for global industrial use.