S-90279A204 8-32 x 1 3/4" ASME B18.6.3 Steel Round Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• Excellent tensile strength rated at 60,000 psi for reliable performance under heavy loads and vibration
• Optimized thread engagement with UNC coarse threads and Class 2A fit ensuring secure fastening and easy installation
• Enhanced drive stability through Phillips No. 2 drive design, reducing cam-out and improving torque transmission
• Full threading capability providing consistent grip along the entire 1-3/4" length for versatile application requirements
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
• Durable material hardness at Rockwell B69 maintaining structural integrity through repeated installation cycles

Professional Applications & Engineering Value

These 8-32 UNC coarse thread screws deliver exceptional engineering value across industrial applications where vibration resistance and long-term reliability are critical. The zinc-plated steel construction provides essential corrosion protection for machinery, electrical enclosures, and assembly line equipment exposed to harsh conditions. The combination of fully threaded design and Class 2A thread fit ensures maximum thread engagement in various material thicknesses, while the rounded head profile with Phillips drive facilitates efficient installation in confined spaces. Engineered to withstand repetitive stress cycles, these screws maintain clamping force in high-vibration environments common in manufacturing equipment, automotive assemblies, and industrial control systems, reducing maintenance frequency and downtime.

Specification Summary & Compliance

This fastener maintains precision Class 2A thread fit per UNC standards with right-hand threading direction. Manufacturing compliance includes ASME B18.6.3 specifications for dimensional accuracy and performance requirements. Environmental regulatory adherence covers RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance regarding substance restrictions. The inch system measurements ensure compatibility with North American equipment specifications and replacement part requirements.