S-90340A131 1/2"-13 x 1" Socket Head Screws for Square-Drive Wrenches

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and reducing maintenance costs.
• High-torque assembly capability with a 3/8" square drive and high-profile socket head for secure, slip-resistant fastening.
• Exceptional load-bearing strength with a 70,000 psi tensile strength and Rockwell B84 hardness for reliable performance under stress.
• Precise and secure thread engagement thanks to the Class 3A thread fit, minimizing the risk of loosening in critical applications.
• Wide compatibility and easy installation with standard 1/2"-13 UNC coarse threads and a right-hand direction.
• Full-length threading provides consistent holding power along the entire 1" length for versatile clamping.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global markets.

Professional Applications & Engineering Value

This 18-8 Stainless Steel Socket Head Cap Screw is engineered to address common industrial challenges like vibration-induced loosening and corrosion in demanding environments. The Class 3A thread fit and UNC coarse thread profile ensure rapid assembly and a secure, precise fit in machinery, automotive assemblies, and heavy-duty equipment. Its high-strength build, with a tensile strength of 70,000 psi, provides dependable performance in high-stress applications, reducing the risk of fastener failure. The corrosion-resistant properties of the material make it an excellent choice for outdoor, marine, or chemical-exposed settings, extending service life and minimizing downtime for maintenance. The combination of a 3/8" square drive and high socket head profile allows for efficient torque application, streamlining installation in confined spaces where reliability is paramount.

Specification Summary & Compliance

This socket head cap screw adheres to precise dimensional standards, featuring a 1/2"-13 UNC coarse thread with a Class 3A thread fit for high precision. It is fully threaded and right-hand oriented, with a length of 1 inch. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in regulated industrial and international markets.