S-93575A312 1/4"-28 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 for extended service life in harsh environments
- Quick manual installation and removal with standard wing profile design requiring no tools
- Precise thread engagement with Class 2B thread fit ensuring reliable fastening performance
- Optimal grip and torque application with 1 1/8" width and wing head shape for comfortable handling
- Fine thread precision with 1/4"-28 UNF right-hand threads providing superior vibration resistance
- Compliance with industrial safety standards including RoHS 3 and REACH for environmental responsibility
- Dimensional stability with 31/64" base diameter and 5/8" height for consistent mating with components
Professional Applications & Engineering Value
This 316 stainless steel thumb nut delivers exceptional corrosion resistance in demanding industrial environments where exposure to chemicals, moisture, and extreme temperatures would compromise ordinary fasteners. The UNF fine thread configuration with Class 2B precision ensures secure fastening in applications requiring frequent adjustments, such as panel mounting, machinery guards, and electronic enclosures. The standard wing nut profile enables rapid installation without tools, significantly reducing maintenance downtime in production facilities, marine equipment, and food processing machinery. Engineered for right-hand thread applications, this thumb nut provides reliable performance where quick-access components require regular service while maintaining thread integrity through repeated cycles.
Specification Summary & Compliance
This thumb nut features 1/4"-28 UNF fine threads with Class 2B thread fit per inch system standards, ensuring dimensional accuracy and proper mating with corresponding male threads. The manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental safety standards. Critical dimensions include 31/64" base diameter, 1 1/8" width across wings, and 5/8" height for consistent performance in industrial applications requiring manual fastening solutions.
