S-92741A102 2-56 Thumb Nuts
Thumb Nuts
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Finish & Compliance Parameters
Geometric Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Enhanced manual grip with knurled head texture for secure handling without tools in tight spaces
- Superior corrosion resistance due to brass construction, ideal for humid or demanding industrial environments
- Increased stability and load distribution from the integrated flange design, reducing surface pressure
- Precise coarse threading (UNC 2-56) ensures quick installation and reliable fastening with Class 2B thread fit
- Durable right-hand fully threaded body provides consistent engagement and vibration resistance
- Compliance with environmental standards including REACH and RoHS 3, ensuring safe use in regulated industries
- Compact yet robust dimensions (1/4" head, 3/16" collar) for versatile applications where space is limited
Professional Applications & Engineering Value
This 2-56 UNC brass thumb nut is engineered to address common challenges in manual assembly and maintenance operations. The flanged round design with knurled head offers exceptional grip, reducing slippage and enabling efficient hand-tightening in confined areas where tools are impractical. Made from brass, it provides inherent corrosion resistance, making it suitable for electrical enclosures, marine equipment, and precision instruments exposed to moisture. The coarse thread and Class 2B fit ensure rapid installation with minimal cross-threading risks, while the fully threaded body maintains consistent clamping force. Ideal for industrial fastening, prototyping, and OEM applications, this thumb nut delivers reliability and ease of use without compromising on durability or regulatory compliance.
Specification Summary & Compliance
This thumb nut adheres to UNC thread standards with a 2-56 coarse thread size and Class 2B thread fit for precise dimensional accuracy. It features a right-hand thread direction and is fully threaded for uniform performance. Compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, it meets environmental and safety requirements for industrial use. Key dimensions include a head diameter of 1/4", collar diameter of 3/16", and overall height of 1/4", ensuring compatibility with standard inch-based systems.
