S-90271A197 8-32 x 3/4" ASME B18.6.3 Steel Truss Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• Enhanced load distribution through the wide truss head design that minimizes surface damage and provides superior clamping force
• Reliable installation and removal with slotted drive compatibility and right-hand coarse threading for efficient assembly operations
• Exceptional mechanical strength delivering 60,000 psi tensile strength and Rockwell B69 hardness for heavy-duty applications
• Precision thread engagement with Class 2A thread fit ensuring consistent performance and vibration resistance
• Maximum holding power through fully threaded design that provides complete engagement along the entire 3/4" length
• Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations for global industrial use

Professional Applications & Engineering Value

These 8-32 UNC zinc-plated steel rounded truss head screws deliver exceptional engineering value across industrial applications where vibration resistance and reliable fastening are critical. The combination of zinc-plated steel material and coarse thread spacing provides superior corrosion protection and rapid installation in assembly line environments. The wide truss head profile distributes clamping force effectively, preventing surface damage on sensitive materials while maintaining secure connections in machinery, electrical enclosures, and structural components. The fully threaded design with Class 2A thread fit ensures consistent engagement depth and eliminates the need for precise hole depth measurement, streamlining production processes and reducing installation errors in high-volume manufacturing settings.

Specification Summary & Compliance

This 8-32 UNC screw features precision Class 2A thread fit with coarse spacing and right-hand threading, manufactured to exact dimensional tolerances. The fastener complies with ASME B18.6.3 mechanical and dimensional specifications, ensuring interchangeability and reliability in industrial applications. Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) certifications, confirming the absence of restricted substances for global market acceptance. The inch system measurements maintain consistency with North American industrial standards while delivering 60,000 psi tensile strength for demanding fastening requirements.