S-92240A554 1/4"-20 x 3" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and outdoor applications
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for reliable performance under heavy loads
• Quick and secure installation thanks to UNC coarse threading and Class 2A fit, reducing assembly time and preventing cross-threading
• High torque capability with external hex drive and 7/16" head width, ensuring firm tool grip and preventing stripping during tightening
• Full thread engagement across the entire 3" length, providing maximum holding power and uniform stress distribution
• Regulatory compliance assurance meeting ASME B18.2.1 standards, RoHS 3, and REACH regulations for quality and environmental safety
• Right-hand thread direction following industry standards for straightforward installation and compatibility with existing systems

Professional Applications & Engineering Value

These 18-8 stainless steel hex head screws deliver critical performance advantages in demanding industrial settings where corrosion resistance and structural integrity are paramount. The combination of UNC coarse threading and Class 2A thread fit ensures rapid assembly while maintaining precise tolerances, significantly reducing installation time in high-volume manufacturing operations. The external hex drive design provides superior torque transmission, preventing fastener failure in applications requiring substantial clamping force. With 80,000 psi tensile strength, these screws withstand extreme mechanical stress in construction equipment, machinery frames, and structural assemblies. The fully threaded configuration offers maximum grip length for securing thick materials and components, making them ideal for heavy-duty fastening applications across multiple industries including manufacturing, infrastructure, and mechanical systems.

Specification Summary & Compliance

This 1/4"-20 x 3" hex head screw features precise Class 2A thread fit tolerances with UNC coarse threading in right-hand direction. Manufactured to ASME B18.2.1 specifications for dimensional accuracy and performance reliability. Compliance verified with RoHS 3 (2015/863/EU) for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety, ensuring environmental responsibility and industrial suitability.