S-92224A244 5/16"-18 x 1" ASME B18.6.3 Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance through black oxide steel construction, extending service life in demanding industrial environments
• Exceptional holding power with 60,000 psi tensile strength and Rockwell B70 hardness for reliable performance under heavy loads
• Optimized installation efficiency with Phillips No. 4 drive and fully threaded UNC coarse design for faster assembly
• Precise thread engagement with Class 2A thread fit ensuring consistent, secure fastening in various applications
• Enhanced surface contact from the 0.615" pan head diameter, distributing clamping force more effectively
• Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for quality and environmental safety
• Versatile right-hand threading compatible with standard UNC 5/16"-18 components for broad application use

Professional Applications & Engineering Value

This black oxide steel Phillips pan head screw delivers critical engineering advantages for industrial assembly challenges. The combination of 60,000 psi tensile strength and Rockwell B70 hardness provides exceptional resistance to vibrational loosening and structural fatigue in heavy machinery, automotive components, and construction equipment. The fully threaded UNC coarse design ensures maximum thread engagement across the entire 1" length, while the black oxide coating creates a protective barrier against rust and corrosion in humid or outdoor environments. The standard pan head profile with 0.615" diameter offers superior bearing surface for secure fastening in metal fabrication, electrical enclosures, and industrial maintenance applications where reliability is paramount.

Specification Summary & Compliance

This 5/16"-18 x 1" fully threaded screw maintains precise Class 2A thread fit tolerances with UNC coarse threading (18 TPI) and right-hand thread direction. Manufacturing adheres to ASME B18.6.3 specifications for dimensional consistency, featuring a 0.615" head diameter and 0.218" head height. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe industrial use without hazardous substance restrictions.