S-90876A440 5/16"-18 Thumb Nuts

Key Features & Benefits at a Glance

• Effortless hand-tightening with 3" wide wing design for quick assembly and disassembly without tools
• Superior corrosion resistance through durable iron construction for long-lasting performance in industrial environments
• Reliable thread engagement with Class 2B coarse UNC threads ensuring secure fastening in high-vibration applications
• Enhanced grip surface from 1" base diameter providing maximum torque application and slip resistance
• Optimized for right-hand threading systems compatible with standard industrial equipment and components
• Robust structural integrity with 3/4" height delivering superior load distribution and clamping force
• Time-saving installation through standard wing nut profile enabling rapid maintenance and adjustments

Professional Applications & Engineering Value

This heavy-duty iron thumb nut solves critical assembly challenges in maintenance-heavy industries where frequent disassembly is required. The standard wing nut profile with 3" width enables technicians to achieve proper torque without specialized tools, significantly reducing downtime in equipment servicing and repair operations. The Class 2B thread fit with 5/16"-18 UNC coarse threading provides excellent resistance to vibration loosening while accommodating minor misalignments in assembly. The right-hand thread direction ensures compatibility with standard industrial components, making it ideal for machinery, conveyor systems, and temporary fixtures where quick-release functionality is essential. The iron construction delivers the durability needed for demanding environments while maintaining cost-effectiveness for volume applications.

Specification Summary & Compliance

Manufactured to precise inch system dimensions including 1" base diameter, 3" width, and 3/4" height. Features UNC coarse threads (5/16"-18) with Class 2B thread fit for optimal clearance and engagement. The right-hand thread direction follows industry standards for compatibility. Complies with standard industrial fastener specifications and manufacturing practices suitable for general industrial applications.