S-92239A100 8-32 Thumb Nuts
Thumb Nuts
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Flange Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Enhanced grip and torque application with wing-shaped head design for hand-tightening without tools
- Superior corrosion resistance through zinc alloy construction for extended service life in harsh environments
- Increased load distribution with 5/8" flat flange preventing surface damage and loosening under vibration
- Reliable thread engagement with Class 2B fit ensuring consistent performance in coarse UNC threading
- Quick installation and removal via right-hand threading compatible with standard 8-32 UNC fasteners
- Regulatory compliance assurance meeting REACH and RoHS 3 standards for safe industrial usage
- Optimized dimensional profile with 7/8" width and 7/16" height for space-constrained applications
Professional Applications & Engineering Value
This zinc alloy flanged thumb nut delivers critical advantages in industrial assembly where tool-free operation and vibration resistance are paramount. The flat flange design distributes clamping force across wider surfaces, eliminating the need for separate washers while preventing material indentation. Engineers specify this 8-32 UNC coarse thread component for applications requiring frequent maintenance access or where tools are impractical. The corrosion-resistant zinc alloy construction ensures reliable performance in electrical enclosures, machinery guards, and outdoor equipment subjected to environmental exposure. With its Class 2B thread fit, this thumb nut maintains consistent clamping force in high-vibration environments common in automotive, manufacturing, and material handling systems.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2B thread fit for optimal engagement with mating 8-32 UNC coarse threads. The component features a 5/8" flat flange diameter with 0.03" thickness and right-hand threading orientation. Full compliance with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations ensures adherence to industrial safety and sustainability requirements.
