S-90876A650 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 through zinc-plated steel construction, extending service life in harsh environments
- Reliable coarse thread engagement with UNC 1/4"-20 threading for faster installation and reduced cross-threading risks
- Precise thread fit meeting Class 2B specifications ensuring consistent performance and vibration resistance
- Optimal grip surface with 3/4" base diameter providing maximum torque application and slip resistance
- Heavy-duty durability from zinc-plated steel material maintaining structural integrity under repeated use
- Regulatory compliance with RoHS 3 and REACH standards for safe industrial applications
Professional Applications & Engineering Value
Engineered for industrial maintenance, machinery assembly, and equipment applications where frequent adjustments are necessary, this zinc-plated steel thumb nut solves critical operational challenges. The UNC coarse thread design enables rapid installation in time-sensitive environments while resisting vibration-induced loosening. With its standard wing profile and generous 3/4" base diameter, technicians can achieve secure fastening without specialized tools, significantly reducing downtime during repairs or component changes. The zinc plating provides essential corrosion protection in manufacturing facilities, outdoor equipment, and automotive applications where exposure to moisture and chemicals is common. This right-hand thread thumb nut delivers consistent performance across repetitive maintenance cycles while meeting stringent industrial safety requirements.
Specification Summary & Compliance
This thumb nut features 1/4"-20 UNC coarse threads with Class 2B thread fit ensuring precise dimensional accuracy and reliable engagement. Manufactured to standard inch system specifications with 3/4" base diameter and right-hand thread direction. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting current industrial safety standards for hazardous substance restrictions.