S-99862A230 1/4"-20 Thumb Nuts
Thumb Nuts
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
Geometric Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Effortless hand-tightening with standard wing profile for quick assembly and disassembly without tools
- Superior corrosion resistance provided by zinc alloy construction for extended service life in demanding environments
- Reliable coarse threading (1/4"-20 UNC) ensures faster installation and reduced cross-threading risk
- Precise Class 2B thread fit delivers consistent engagement and vibration resistance in industrial applications
- Optimized 3/8" base diameter provides stable seating and even load distribution on mating surfaces
- Right-hand thread direction offers standard compatibility with common industrial components
- Environmental compliance with RoHS 3 and REACH regulations for safe use across regulated industries
Professional Applications & Engineering Value
This zinc alloy thumb nut delivers exceptional value in applications requiring frequent adjustments or where tool access is limited. The standard wing profile and 1/4"-20 UNC coarse threads enable rapid manual installation in equipment maintenance, electrical enclosures, and machinery guards. The zinc alloy material provides excellent durability against corrosion while maintaining sufficient strength for moderate load applications. With its 3/8" base diameter and Class 2B thread fit, this thumb nut ensures secure fastening without damaging mating surfaces, making it ideal for production lines, automotive assemblies, and industrial controls where reliability and quick service access are paramount.
Specification Summary & Compliance
This thumb nut features 1/4"-20 UNC coarse threads with Class 2B thread fit per ASME B1.1 standards, ensuring proper clearance and engagement. The right-hand thread direction follows conventional fastening practices. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming restriction of hazardous substances. Physical dimensions include 3/8" base diameter, 1" width across wings, and 1/2" height for consistent performance in inch-system applications.
