S-98520A130 5/16"-24 Thumb Nuts

Key Features & Benefits at a Glance

• Secure vibration-resistant locking with nylon insert that maintains integrity up to 225°F (107°C)
• Quick hand-tightening capability thanks to 1½" wide wing design requiring no tools
• Precise thread engagement with Class 2B fine thread fit ensuring reliable fastening
• Corrosion-resistant construction using durable zinc alloy material
• Standard UNF fine threading (5/16"-24) for superior holding power in right-hand applications
• Optimized grip surface with standard wing profile for comfortable manual operation
• Stable base foundation with 9/16" diameter providing even load distribution

Professional Applications & Engineering Value

This nylon insert locking thumb nut solves critical vibration-induced loosening problems in industrial maintenance, machinery, and equipment applications. The zinc alloy construction provides excellent corrosion resistance while the standard wing profile enables rapid installation and removal without tools - crucial for maintenance accessibility in tight spaces. The Class 2B fine thread fit combined with the nylon insert locking mechanism creates a reliable vibration-resistant fastening solution that maintains clamping force under dynamic loads. Particularly valuable for applications requiring frequent adjustments or where tool access is limited, this thumb nut delivers both convenience and security in demanding environments.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2B thread fit and UNF 5/16"-24 fine threading. Features right-hand thread direction with 9/16" base diameter, 1½" width, and 23/32" height. The nylon insert provides effective locking performance up to 225°F maximum temperature. Complies with industry standards for thumb nuts and locking fasteners, ensuring reliable performance in industrial applications.