S-91833A117 7/16"-20 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 for long-lasting performance in harsh environments
- Enhanced manual grip thanks to the knurled round head design, allowing for secure tightening without tools
- Precise thread engagement with Class 2B fit and 7/16"-20 UNF fine threading for reliable, vibration-resistant connections
- Full-threaded body ensures maximum contact area and consistent clamping force across applications
- Optimized collar dimensions (5/8" diameter, 3/4" height) provide stable bearing surface and improved load distribution
- Right-hand threading follows standard industrial conventions for intuitive installation and removal
- Regulatory compliance with RoHS 3 and REACH standards, ensuring environmental and safety adherence
Professional Applications & Engineering Value
This 18-8 stainless steel thumb nut delivers exceptional value in industrial settings where frequent adjustments and corrosion resistance are critical. The fully threaded UNF fine thread design maintains secure fastening under vibration, while the knurled round head ensures positive grip even with oily hands or gloves. Its 5/8" collar diameter and standard profile offer superior load-bearing capability for machinery, electrical enclosures, and assembly jigs. Made from durable stainless steel, it withstands moisture, chemicals, and temperature variations, reducing maintenance cycles and replacement costs in demanding environments like manufacturing plants, marine equipment, and outdoor structures.
Specification Summary & Compliance
This thumb nut features 7/16"-20 UNF fine threading with Class 2B thread fit for precise dimensional accuracy per unified screw thread standards. The manufacturing adheres to industry specifications for round head shape and standard thumb nut profile. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances as of the latest SVHC update (01/17/2023).
