S-98671A230 5/16"-18 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
- Quick manual installation and removal with standard wing profile design for tool-free operation in tight spaces
- Superior corrosion resistance thanks to black protective coating that extends service life in harsh environments
- Reliable coarse threading with UNC 5/16"-18 specification ensures faster assembly and reduced cross-threading risk
- Precision Class 2B thread fit guarantees consistent engagement and vibration resistance in demanding applications
- Optimized ergonomic dimensions featuring 1-1/4" width and 5/8" height for comfortable, secure hand tightening
- Robust steel construction provides excellent strength-to-weight ratio for heavy-duty industrial use
- Full regulatory compliance with RoHS 3 and REACH standards for global manufacturing acceptance
Professional Applications & Engineering Value
This black corrosion-resistant coated steel thumb nut solves critical challenges in maintenance-heavy environments where frequent adjustments are required. The UNC coarse thread configuration combined with Class 2B thread fit delivers exceptional durability against vibrational loosening while enabling rapid installation without specialized tools. Engineered for equipment panels, machinery guards, and electrical enclosures, the wing nut design provides positive grip even with gloved hands. The protective coating significantly outperforms plain steel in humid or chemically exposed settings, reducing maintenance intervals and replacement costs. Its 9/16" base diameter and right-hand threading make it ideal for standard industrial components where reliability and quick service access are paramount.
Specification Summary & Compliance
This thumb nut maintains Class 2B thread fit per UNC standards with 5/16"-18 coarse threads and right-hand direction. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility. Critical dimensions include 9/16" base diameter, 1-1/4" width, and 5/8" height for consistent performance across industrial applications.
