S-94225A340 1/4"-20 Thumb Nuts

Key Features & Benefits at a Glance

• Quick manual installation and removal with standard wing profile for tool-free operation in tight spaces
• Superior corrosion resistance through zinc-plated steel construction for extended service life in harsh environments
• Reliable coarse thread engagement with 1/4"-20 UNC Class 2B threads ensuring secure fastening and vibration resistance
• Optimized grip and torque application with 1 1/8" width and 39/64" base diameter for comfortable hand tightening
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe industrial applications
• Durable right-hand thread design providing consistent performance in repetitive assembly operations
• Standard inch system compatibility for seamless integration with existing UNC threaded components

Professional Applications & Engineering Value

This zinc-plated steel thumb nut solves critical manual fastening challenges in industrial maintenance, machinery assembly, and equipment manufacturing. The UNC coarse thread design with Class 2B thread fit ensures rapid installation while maintaining secure connections against vibration loosening - particularly valuable in applications requiring frequent adjustments or access panel maintenance. The standard wing nut profile combined with the 39/64" base diameter provides optimal leverage for hand-tightening operations, eliminating the need for tools in space-constrained environments. The zinc plating delivers essential corrosion protection for industrial settings where exposure to moisture and chemicals is common, while the right-hand thread direction maintains compatibility with standard assembly procedures.

Specification Summary & Compliance

This heavy-duty thumb nut features precision 1/4"-20 UNC coarse threads with Class 2B thread fit for reliable engagement and dimensional accuracy. Manufacturing complies with industry-standard inch system specifications including 39/64" base diameter, 1 1/8" width, and 1/2" height. The product fully meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring environmental safety and regulatory acceptance for industrial and commercial applications worldwide.