S-94924A100 4-40 Thumb Nuts

Key Features & Benefits at a Glance

• Effortless hand-tightening with 7/8" wide wings for quick assembly and disassembly without tools
• Excellent corrosion and chemical resistance from durable Nylon 6/6 plastic material
• Reliable thread engagement with 4-40 UNC coarse threads and Class 2B fit for secure fastening
• Lightweight and non-conductive properties ideal for electrical and weight-sensitive applications
• Standard wing nut profile ensures compatibility with common manual fastening requirements
• Environmentally compliant with RoHS 3 (2015/863/EU) standards for restricted substance control
• Optimized dimensions (25/64" base diameter, 1/2" height) for space-constrained assemblies

Professional Applications & Engineering Value

This Nylon 6/6 plastic thumb nut solves critical industrial challenges where corrosion resistance, electrical insulation, and frequent adjustments are paramount. The 4-40 UNC coarse thread design with Class 2B fit ensures consistent performance in vibration-prone environments while the standard wing profile enables rapid manual installation. Ideal for electrical enclosures, light machinery, and consumer products, these thumb nuts eliminate galvanic corrosion risks and reduce assembly time. The right-hand thread direction provides familiar operation for maintenance personnel, making them perfect for applications requiring regular access or adjustments in industrial settings.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2B thread fit and UNC coarse thread specifications. Complies with RoHS 3 (2015/863/EU) requirements for hazardous substance restriction. The inch system measurements ensure compatibility with North American industrial standards, while the standard wing nut profile maintains interchangeability with existing fastener systems.