S-98671A210 1/4"-20 Thumb Nuts

Key Features & Benefits at a Glance

• Tool-free installation and removal with standard wing profile for rapid assembly/disassembly in tight spaces
• Superior corrosion resistance through black protective coating, extending service life in harsh industrial environments
• Reliable thread engagement with Class 2B UNC coarse threads ensuring consistent performance in vibration-prone applications
• Optimized grip surface with 1 1/8" width providing maximum torque application without specialized tools
• Industry-standard compatibility with 1/4"-20 UNC right-hand threaded components for seamless integration
• Robust structural integrity from steel construction supporting heavy-duty mechanical fastening requirements
• Environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

This black corrosion-resistant coated steel thumb nut delivers exceptional value in maintenance-heavy environments where frequent adjustments are necessary. The wing-style design eliminates tool dependency while the coarse UNC threading provides rapid installation on 1/4"-20 fasteners. Engineered with Class 2B thread fit, this component maintains secure fastening under vibration, making it ideal for industrial equipment, machinery guards, and electrical enclosures requiring periodic access. The protective coating resists oxidation in humid or chemical-exposed settings, while the standardized right-hand threading ensures compatibility across existing fastener systems. This combination addresses critical needs for speed, durability, and corrosion protection in manufacturing and maintenance operations.

Specification Summary & Compliance

Manufactured to precise dimensional standards including 15/32" base diameter and 5/8" height. Features 1/4"-20 UNC coarse threads with Class 2B thread fit for consistent mating with Class 2A external threads. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial and commercial applications. Right-hand thread direction follows industry-standard fastening conventions.