S-90876A331 5/8"-11 Thumb Nuts

Key Features & Benefits at a Glance

• Quick manual installation with 2 1/2" wing span for superior grip and tool-free operation
• Exceptional durability from high-strength steel construction for long service life in demanding environments
• Precise thread engagement with Class 2B fit ensuring reliable performance and vibration resistance
• Optimized for high-torque applications through coarse UNC threading and 1 1/4" height for maximum clamping force
• Universal compatibility with standard 5/8"-11 UNC components in inch-based systems
• Secure right-hand threading providing consistent fastening direction for industrial safety
• Stable mounting base with 1 1/16" diameter distributing load evenly across surfaces

Professional Applications & Engineering Value

This heavy-duty steel thumb nut addresses critical industrial fastening challenges where tool access is limited or rapid assembly/disassembly is required. The standard wing nut profile with 2 1/2" width provides exceptional manual torque capability, eliminating the need for specialized tools in maintenance operations. Engineered with UNC coarse threads and Class 2B precision fit, this component delivers reliable performance in vibrating environments while maintaining consistent clamping force. The right-hand thread direction ensures intuitive installation across various industrial equipment, from machinery guards to adjustable fixtures. Made from durable steel, this thumb nut withstands repeated use in manufacturing, automotive, and construction applications where manual fastening solutions are preferred for efficiency and convenience.

Specification Summary & Compliance

This thumb nut features 5/8"-11 UNC coarse threads with Class 2B thread fit precision, ensuring dimensional accuracy and reliable performance. Manufactured to standard inch system specifications with right-hand thread direction, 1 1/4" height, and 2 1/2" width wing span. The component meets industry standards for steel thumb nuts and is suitable for various industrial applications requiring manual fastening solutions.