S-90152A358 1/2"-13 x 1 1/4" ASME B18.3, ASTM F837 Stainless Steel Wire-Lockable Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments and washdown applications.
• Superior mechanical strength and reliability with an 80,000 psi tensile strength and Rockwell B70 hardness for demanding, high-stress assemblies.
• Precise, vibration-resistant fastening ensured by the Class 3A thread fit and coarse UNC thread profile, providing a secure, reliable connection.
• High-torque installation capability with the 3/8" hex drive and standard socket head profile, allowing for secure tool engagement and reduced risk of stripping.
• Full-length threading offers consistent clamping force along the entire 1 1/4" length for versatile and uniform load distribution.
• Compliance with major industry standards including ASME B18.3 and ASTM F837, guaranteeing dimensional accuracy and material quality.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements for hazardous substances.

Professional Applications & Engineering Value

This 18-8 Stainless Steel Socket Head Cap Screw is engineered to solve critical challenges in machinery, automation, and heavy equipment assembly. The 1/2"-13 UNC coarse thread with a precision Class 3A fit resists loosening under vibration, a common failure point in dynamic systems. The 3/8" hex drive accommodates high torque application, ensuring the 80,000 psi tensile strength is fully utilized without head deformation. Made from corrosion-resistant 18-8 stainless steel, it performs reliably in moist, chemical, or outdoor environments, reducing maintenance and replacement frequency. Its fully threaded design provides uniform clamping in tapped holes or when used with a nut, making it a versatile industrial fastener for high-stakes applications where failure is not an option.

Specification Summary & Compliance

This socket head cap screw features a 1/2"-13 UNC coarse thread with a precision Class 3A thread fit for superior engagement. It is manufactured in compliance with ASME B18.3 and ASTM F837 specifications, ensuring dimensional accuracy and mechanical performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and safety regulations for industrial components.