S-90152A326 1/4"-20 x 1" ASME B18.3, ASTM F837 Stainless Steel Wire-Lockable Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and extended service life
• Exceptional mechanical strength offering 80,000 psi tensile strength and Rockwell B70 hardness for high-load applications
• Precise and reliable fastening ensured by Class 3A thread fit and UNC coarse threads for quick assembly and vibration resistance
• Secure and efficient installation with a standard 3/16" hex drive, minimizing cam-out and providing high torque capability
• Full-length threading for maximum grip and adjustability across the entire 1" length
• Compliance with industry standards including ASME B18.3 and ASTM F837, guaranteeing dimensional accuracy and performance
• Environmentally responsible manufacturing with RoHS 3 compliance, free from hazardous substances

Professional Applications & Engineering Value

This socket head cap screw is engineered to address critical industrial fastening challenges where reliability and durability are paramount. The 18-8 stainless steel material provides excellent resistance to corrosion and oxidation, making it suitable for applications in marine, chemical processing, and outdoor equipment. The UNC coarse thread and Class 3A thread fit ensure a tight, secure connection that resists loosening under vibration, common in machinery and automotive assemblies. The 3/16" hex drive allows for high torque application with standard tools, reducing installation time and preventing head stripping. Fully threaded along its 1" length, it offers consistent clamping force and is ideal for components requiring precise alignment and strong retention in demanding industrial applications.

Specification Summary & Compliance

This socket head cap screw features a 1/4"-20 UNC thread with Class 3A fit for high precision and strength. It is manufactured in accordance with ASME B18.3 and ASTM F837 specifications, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) regulations, confirming it is free from restricted hazardous substances, and is supplied in the inch system for compatibility with standard industrial designs.