S-94365A390 1/4"-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
- Enhanced grip and torque application with external hex drive and flanged design for secure manual tightening without tools
- Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh industrial environments
- Reliable coarse threading with 1/4"-20 UNC and Class 2B fit ensures quick assembly and vibration resistance
- Integrated flange collar (15/32" diameter) distributes load evenly, reducing surface damage and improving joint integrity
- Right-hand thread compatibility for standard applications, facilitating straightforward installation
- Durable and reusable design maintains performance over multiple cycles, lowering long-term maintenance costs
- Compliance with safety standards including REACH and RoHS 3, ensuring environmental and workplace safety
Professional Applications & Engineering Value
This 18-8 stainless steel flange thumb nut is engineered to address common industrial challenges such as frequent adjustments and exposure to corrosive elements. The flanged profile and external hex drive allow for high-torque manual fastening in tight spaces, eliminating the need for tools and reducing assembly time. Its coarse UNC thread with a Class 2B fit provides excellent engagement in materials prone to wear, making it ideal for machinery, automotive assemblies, and electrical enclosures where vibration resistance is critical. The robust stainless steel material ensures longevity in moist or chemical-laden environments, while the inch-based dimensions support seamless integration with standard components, enhancing overall system reliability and reducing downtime.
Specification Summary & Compliance
This thumb nut features precise dimensions including a collar diameter of 15/32", height of 3/8", and thread size of 1/4"-20 UNC with coarse spacing and Class 2B thread fit for consistent performance. It adheres to UNC thread standards and is manufactured to meet REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) compliance, ensuring it is free from hazardous substances and suitable for global industrial applications.
