S-92196A930 1 1/4"-7 x 4" ASME B18.3 18-8 Stainless Steel 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
• High-torque assembly capability via the large 7/8" hex drive, preventing tool slippage and ensuring secure installation
• Exceptional load-bearing strength with 70,000 psi tensile strength and Rockwell B70 hardness for demanding applications
• Precise and reliable thread engagement guaranteed by the Class 3A thread fit, minimizing the risk of cross-threading and loosening
• Optimized for rapid installation with coarse UNC threads, reducing assembly time in industrial settings
• Versatile partial threading design allows for both clamped and unthreaded shank sections, providing design flexibility
• Confident global compliance meeting ASME B18.3, RoHS 3, and REACH standards for quality and environmental safety

Professional Applications & Engineering Value

This socket head cap screw is engineered to solve critical fastening challenges in heavy machinery, manufacturing equipment, and structural assemblies. The 18-8 Stainless Steel material provides excellent resistance to rust and chemical exposure, making it suitable for outdoor, marine, or chemically aggressive environments. The coarse UNC thread and Class 3A thread fit ensure rapid, vibration-resistant assembly, reducing downtime in production lines. The 7/8" hex drive accommodates high torque applications, preventing cam-out and ensuring a tight, reliable clamp. Its partially threaded design is ideal for applications requiring precise grip length and shear strength, offering engineers a dependable solution for high-stress connections.

Specification Summary & Compliance

This screw features a 1 1/4"-7 UNC coarse thread with a precision Class 3A thread fit for superior dimensional accuracy and consistent performance. It is manufactured in accordance with ASME B18.3 specifications, ensuring interchangeability and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to strict environmental and safety standards for industrial use worldwide.