S-91833A122 8-32 Thumb Nuts
Thumb Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
Geometric Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
- Excellent tool-free installation and removal thanks to the knurled round head design, providing a secure grip even with gloves.
- Reliable thread engagement with 8-32 UNC coarse threading and Class 2B fit, offering consistent performance and ease of assembly.
- Enhanced stability and alignment from the 5/16" collar diameter, preventing loosening under vibration.
- Versatile partial threading allows for precise adjustment and secure fastening in a wide range of applications.
- Compliance with major safety standards including REACH and RoHS 3, ensuring environmental and workplace safety.
- Durable, heavy-duty build with a standard profile and right-hand thread, built for repeated use in industrial settings.
Professional Applications & Engineering Value
This 18-8 stainless steel thumb nut is engineered to solve common industrial challenges such as tool-free assembly and corrosion-induced failure. The knurled head texture ensures a firm grip, reducing slippage during manual tightening in confined spaces or high-vibration environments like machinery panels, electrical enclosures, and prototyping setups. Its UNC coarse thread and Class 2B thread fit provide quick, reliable fastening without cross-threading risks, while the partially threaded design offers flexibility for adjustable components. Ideal for maintenance, OEM equipment, and field service, this fastener minimizes downtime and enhances operational efficiency with its robust, REACH and RoHS compliant construction.
Specification Summary & Compliance
This thumb nut adheres to UNC coarse thread standards with a size of 8-32 and a Class 2B thread fit for consistent dimensional accuracy. It features a right-hand thread direction, a collar diameter of 5/16", and a head diameter of 1/2". The product is manufactured in compliance with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, ensuring it meets stringent environmental and safety requirements for industrial use.
