S-92001A349 1/2"-13 Thumb Nuts

Key Features & Benefits at a Glance

• Effortless hand-tightening with 2" wide wing design for quick assembly and disassembly without tools
• Superior corrosion resistance from 18-8 stainless steel construction for long-term reliability in harsh environments
• Secure thread engagement with Class 2B fit ensuring consistent performance and vibration resistance
• Rapid installation through coarse UNC 1/2"-13 threading that resists cross-threading and speeds up production
• Optimized load distribution with 29/32" base diameter providing stable contact surface for heavy-duty applications
• Right-hand thread compatibility with standard industrial equipment for seamless integration
• Environmental compliance meeting RoHS 3 and REACH regulations for global manufacturing requirements

Professional Applications & Engineering Value

This 18-8 stainless steel thumb nut delivers critical advantages in industrial settings where corrosion resistance and manual operation are paramount. The UNC coarse threading (1/2"-13) combined with Class 2B thread fit ensures reliable engagement in high-vibration applications while preventing galling during repeated adjustments. The 2" wing span provides exceptional torque leverage for hand-tightening in confined spaces, making it ideal for maintenance panels, machinery guards, and electrical enclosures where tools are impractical. The 29/32" base diameter distributes clamping force evenly, protecting sensitive surfaces from deformation. These thumb nuts solve common challenges in manufacturing, HVAC, and marine industries where corrosion-resistant fasteners must withstand environmental exposure while enabling rapid service access.

Specification Summary & Compliance

Manufactured to precise UNC 1/2"-13 thread specifications with Class 2B thread fit tolerances for consistent performance. The right-hand coarse threading follows standardized industrial patterns for broad compatibility. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance. The 18-8 stainless steel composition provides mechanical properties suitable for demanding industrial applications while maintaining corrosion resistance.