S-90276A207 8-32 x 2 1/2" ASME B18.6.3 Steel Round Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in demanding industrial environments
• Enhanced installation efficiency through coarse UNC threading and Class 2A fit, providing quick assembly with reliable thread engagement
• Optimized load distribution with rounded head design, reducing surface stress and preventing material damage during tightening
• High mechanical reliability with 60,000 psi tensile strength and Rockwell B69 hardness, maintaining structural integrity under heavy loads
• Versatile partial threading allowing unthreaded shank sections for precise clamping applications and alignment control
• Broad compatibility with standard slotted drive tools, ensuring easy installation with commonly available equipment
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards for global industrial use

Professional Applications & Engineering Value

These 8-32 UNC partially threaded screws deliver exceptional engineering value in industrial fastening applications where vibration resistance and mechanical stability are critical. The zinc-plated steel construction provides essential corrosion protection for machinery, electrical enclosures, and outdoor equipment, while the coarse thread design ensures rapid installation in production environments. The rounded head profile distributes clamping force evenly, preventing surface marring on sensitive materials. With partial threading, these fasteners offer precise control in assemblies requiring both threaded engagement and smooth shank guidance, making them ideal for automotive components, industrial machinery, and electrical panel manufacturing where ASME B18.6.3 compliance is mandatory.

Specification Summary & Compliance

This rounded head screw features precise Class 2A thread fit tolerances with 8-32 UNC coarse threading and right-hand thread direction. Manufacturing complies with ASME B18.6.3 standards for dimensional accuracy and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for industrial fastener applications worldwide.