S-92224A203 10-32 x 1 1/4" ASME B18.6.3 Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black oxide steel coating, extending service life in demanding industrial environments
• Exceptional tensile strength rated at 60,000 psi for reliable performance under heavy loads and vibration
• Precision UNC threading with Class 2A fit ensures smooth installation and secure fastening in mating components
• Optimized Phillips No. 2 drive design provides excellent torque transmission and reduces cam-out during installation
• Fully threaded 1-1/4" length offers maximum engagement depth and versatile application across various material thicknesses
• Rockwell B70 hardness rating maintains thread integrity and prevents stripping during repeated use
• Comprehensive regulatory compliance including ASME B18.6.3, RoHS 3, and REACH for global manufacturing acceptance

Professional Applications & Engineering Value

These black oxide steel machine screws deliver critical performance advantages in industrial assembly applications where corrosion resistance and mechanical reliability are paramount. The combination of UNC fine threading with Class 2A fit provides superior engagement in precision-tapped holes, reducing the risk of cross-threading while maintaining consistent clamping force. The Phillips pan head design with standard rounded profile offers excellent drive stability and a low-profile appearance suitable for machinery, electrical enclosures, and automotive components. The black oxide surface treatment creates a protective barrier against oxidation and mild chemical exposure, making these fully threaded screws ideal for applications requiring repeated disassembly and reassembly without performance degradation.

Specification Summary & Compliance

This machine screw features precise 10-32 UNC threading with Class 2A tolerance ensuring consistent fit in standard tapped holes. Manufacturing conforms to ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations concerning chemical safety. With 60,000 psi tensile strength and Rockwell B70 hardness, these screws meet rigorous industrial standards for mechanical fastening applications.