S-90277A197 8-32 x 3/4" ASME B18.6.3 Steel Binding Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Exceptional holding power with 60,000 psi tensile strength and Rockwell B69 hardness for reliable performance in heavy-duty applications
• Easy installation and removal with slotted drive design and fully threaded UNC coarse spacing
• Precise thread engagement with Class 2A thread fit ensuring consistent performance and reduced cross-threading risks
• Wide bearing surface from the rounded binding head design for better load distribution and material protection
• Regulatory compliance assurance meeting ASME B18.6.3 specifications for dimensional accuracy and manufacturing quality
• Environmental safety compliance with RoHS 3 and REACH regulations for industrial applications

Professional Applications & Engineering Value

These 8-32 UNC zinc-plated steel rounded head screws deliver exceptional engineering value in industrial fastening applications where vibration resistance and long-term reliability are critical. The combination of zinc-plated steel material provides excellent corrosion protection for machinery, electrical enclosures, and outdoor equipment. The binding head style with wide rounded profile distributes clamping force effectively, preventing damage to softer materials while maintaining secure connections. With coarse thread spacing and Class 2A thread fit, these screws offer quick assembly in production environments and reliable performance in high-vibration applications. The fully threaded design ensures maximum grip length, making them ideal for binding applications in manufacturing, automotive, and electrical assembly where consistent fastening pressure is required across the entire engagement length.

Specification Summary & Compliance

These industrial fasteners feature precise Class 2A thread fit per UNC standards with dimensional compliance to ASME B18.6.3 specifications. The manufacturing process ensures consistent 8-32 thread size with coarse spacing and 0.164" thread diameter maintained throughout production. Regulatory compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, confirming environmental safety for industrial use. The 3/4" length and fully threaded construction provide uniform engagement characteristics across applications.