S-91833A149 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 thanks to 18-8 stainless steel construction, ideal for harsh industrial environments
- Enhanced grip and hand-tightening efficiency with knurled round head design, reducing tool dependency
- Reliable coarse threading using UNC 6-32 standard for quick assembly and reduced cross-threading risks
- Precise thread fit with Class 2B tolerance ensuring consistent engagement and vibration resistance
- Durable and compliant material meeting RoHS 3 and REACH standards for safe, sustainable usage
- Versatile partial threading allowing controlled depth engagement in various mounting scenarios
- Optimal dimensional stability with 1/4" collar diameter and 1/2" head diameter for balanced load distribution
Professional Applications & Engineering Value
This 18-8 stainless steel thumb nut is engineered to address common challenges in maintenance, assembly, and equipment adjustment where frequent hand-tightening is required. The knurled round head provides exceptional tactile grip, even with oily or gloved hands, minimizing slippage and improving operational safety. Its UNC 6-32 coarse thread and Class 2B fit ensure rapid installation and reliable holding power in vibration-prone applications such as machinery guards, electrical enclosures, and prototyping fixtures. The partially threaded design allows for precise depth control, preventing over-tightening and thread damage. Made from corrosion-resistant stainless steel, it delivers long-term performance in humid, chemical, or outdoor settings, reducing replacement frequency and maintenance costs.
Specification Summary & Compliance
This thumb nut adheres to UNC coarse thread standards with a 6-32 thread size and Class 2B thread fit for consistent dimensional accuracy. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material sustainability. Key dimensions include a 1/4" collar diameter, 1/2" head diameter, and 5/8" total height, with partial threading up to 11/32" depth.
