S-90283A198 8-32 x 7/8" ASME B18.6.3 Steel Pan Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in harsh industrial environments
• Excellent thread engagement through UNC coarse threading and Class 2A fit, providing secure fastening and reduced cross-threading risks
• High mechanical strength with 60,000 psi tensile strength and Rockwell B60 hardness, capable of withstanding heavy-duty applications
• Optimized drive performance featuring slotted drive design for easy installation and removal with standard tools
• Full thread coverage along the 7/8" length ensures maximum grip strength and uniform stress distribution
• Standardized pan head profile offers reliable seating and consistent torque transmission during assembly
• Regulatory compliance meets ASME B18.6.3 specifications and environmental standards for global industrial use

Professional Applications & Engineering Value

These 8-32 UNC coarse thread screws deliver exceptional performance in demanding industrial applications where vibration resistance and mechanical integrity are critical. The zinc-plated steel construction provides essential corrosion protection for machinery, electrical enclosures, and outdoor equipment, while the fully threaded right-hand design ensures maximum holding power in metal-to-metal and metal-to-plastic assemblies. The slotted drive system allows for quick installation and maintenance across production lines, and the standard pan head profile distributes clamping force evenly to prevent material damage. Engineered to withstand repetitive stress cycles, these industrial-grade fasteners maintain their mechanical properties in automotive, manufacturing, and heavy equipment applications where 60,000 psi tensile strength and consistent performance are non-negotiable requirements.

Specification Summary & Compliance

This 8-32 UNC screw features Class 2A thread fit tolerance for precise engagement and meets ASME B18.6.3 manufacturing specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. Manufacturing standards guarantee dimensional accuracy with 0.164" thread diameter, coarse thread spacing, and 7/8" length consistency for reliable interchangeability in industrial assemblies.