S-92224A245 5/16"-18 x 1 1/4" 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 environments
• Superior holding power with 60,000 psi tensile strength and Rockwell B70 hardness for reliable fastening
• Quick installation and removal with No. 4 Phillips drive and fully threaded UNC coarse spacing design
• Consistent performance ensured by Class 2A thread fit and ASME B18.6.3 manufacturing standards
• Broad compatibility with standard 5/16"-18 UNC components for versatile industrial applications
• Environmental compliance meeting RoHS 3 and REACH regulations for safe global sourcing
• Optimized load distribution through pan head design that prevents surface damage during tightening

Professional Applications & Engineering Value

Engineered for industrial machinery assembly and heavy-duty equipment manufacturing, these black oxide steel screws address critical challenges in vibration-prone environments. The combination of fully threaded UNC coarse spacing and Class 2A thread fit provides exceptional resistance to loosening under dynamic loads, while the pan head design with Phillips drive enables efficient installation in confined spaces. The 60,000 psi tensile strength ensures structural integrity in high-stress applications, making these rounded head screws ideal for automotive components, industrial enclosures, and construction equipment where reliable fastening and corrosion protection are paramount.

Specification Summary & Compliance

This 5/16"-18 x 1-1/4" pan head screw features Class 2A thread fit with UNC coarse thread spacing and right-hand threading. Manufactured to ASME B18.6.3 specifications with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The black oxide steel construction maintains dimensional accuracy per industrial standards for consistent performance across applications.