S-99937A102 6-32 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 316 stainless steel construction, ideal for harsh environments and extended service life
- Excellent hand-tightening grip provided by the knurled round head, enabling quick tool-free installation and removal
- Enhanced load distribution and stability from the integrated flange, reducing surface damage and loosening under vibration
- Reliable coarse threading (6-32 UNC) ensures faster assembly and reduced cross-threading risk in industrial applications
- Precise Class 2B thread fit guarantees consistent engagement and secure fastening with standard male threads
- Full right-hand threading allows complete engagement along the nut height for maximum holding strength
- Compliance with RoHS 3 and REACH ensures environmental safety and meets global regulatory standards for industrial use
Professional Applications & Engineering Value
This 316 stainless steel flanged thumb nut is engineered to solve critical challenges in maintenance-heavy and corrosive environments. The knurled round head offers exceptional manual grip, eliminating the need for tools during frequent adjustments—ideal for electrical enclosures, machinery panels, and assembly jigs. Its UNC coarse thread and Class 2B fit provide rapid, secure fastening while minimizing thread wear. The flange design distributes clamping force evenly, protecting sensitive surfaces and resisting vibration-induced loosening. Made from corrosion-resistant 316 stainless steel, it performs reliably in marine, chemical, and outdoor settings, reducing replacement costs and downtime.
Specification Summary & Compliance
This thumb nut features a 6-32 UNC coarse thread with Class 2B internal thread fit for consistent dimensional accuracy. It is fully threaded with a right-hand direction and conforms to inch system standards. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety requirements for industrial components.
