S-91833A157 10-32 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
- Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments
- Enhanced hand-tightening capability thanks to the knurled round head design that provides maximum grip even with gloves
- Precise thread engagement with 10-32 UNF fine threading and Class 2B fit ensuring reliable, vibration-resistant connections
- Optimized installation efficiency through partial threading design that allows for quick alignment and faster assembly
- Dimensional stability with 3/8" collar diameter and 1/2" collar height providing consistent performance across applications
- Compliance assurance meeting both REACH and RoHS 3 environmental standards for global industrial use
- Right-hand threading compatibility with standard UNF specifications for seamless integration into existing systems
Professional Applications & Engineering Value
This 18-8 stainless steel thumb nut delivers exceptional engineering value through its knurled round head design and 10-32 UNF fine threading. The combination of partial threading and Class 2B thread fit addresses critical assembly challenges in maintenance panels, access covers, and frequently adjusted components where tool-free operation is essential. The corrosion-resistant properties of 18-8 stainless steel make it ideal for industrial environments, food processing equipment, and outdoor applications where moisture and chemicals are present. The 1" head diameter with aggressive knurling ensures positive grip under high-torque situations, reducing installation time while maintaining secure fastening in vibration-prone applications.
Specification Summary & Compliance
This thumb nut features precision 10-32 UNF fine threading with Class 2B thread fit and right-hand thread direction. Critical dimensions include 3/8" collar diameter, 1/2" collar height, and 1" head diameter with standard round profile. The product is manufactured to inch system specifications with partial threading extending to 1/4" thread depth. Compliance includes full adherence to REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards, ensuring suitability for regulated industrial applications worldwide.
