S-92224A224 1/4"-20 x 7/8" ASME B18.6.3 Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black oxide coating for extended service life in demanding industrial environments
• Superior tensile strength of 60,000 psi ensures reliable fastening performance under high-stress applications
• Optimized drive engagement with Phillips No. 3 drive style prevents cam-out and provides efficient installation
• Precision thread fit with Class 2A UNC coarse threads enables quick assembly and secure connections
• Full threading design along the 7/8" length maximizes grip strength and load distribution
• Standard-compliant manufacturing meeting ASME B18.6.3 ensures consistent quality and interchangeability
• Environmental compliance with RoHS 3 and REACH regulations for safe use across global markets

Professional Applications & Engineering Value

These black oxide steel Phillips pan head screws deliver exceptional engineering value in industrial fastening applications where corrosion resistance and mechanical reliability are critical. The combination of Rockwell B70 hardness and 60,000 psi tensile strength provides durable performance in machinery assembly, electrical enclosures, and automotive components. The UNC coarse threading with Class 2A fit ensures rapid installation while maintaining vibration resistance, significantly reducing assembly time in production environments. The fully threaded design along the 7/8" shank distributes clamping force evenly, preventing joint failure in high-vibration applications. These rounded head screws with Phillips drive offer a flush profile that minimizes snagging while providing sufficient torque transmission for secure fastening operations.

Specification Summary & Compliance

This 1/4"-20 x 7/8" screw features precision UNC coarse threads with Class 2A fit tolerance for consistent engagement and reliable performance. Manufactured to ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors. The black oxide steel construction provides corrosion protection while maintaining the 60,000 psi tensile strength and Rockwell B70 hardness required for demanding fastening applications.