S-90389A117 1/2"-13 Flange Nuts
Flange Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Flange Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Enhanced load distribution from the 1-1/64" flange diameter, reducing surface pressure and preventing material damage
- High-strength performance with Class 2B thread fit, ensuring reliable engagement and vibration resistance in heavy-duty applications
- Efficient installation using the external hex drive, allowing for high torque application with standard tools
- Durable coarse threading (1/2"-13 UNC) that resists cross-threading and accommodates minor misalignments
- Regulatory compliance with RoHS 3 and REACH standards, ensuring safety and environmental responsibility
- Optimized dimensions (3/4" width, 29/64" height) for consistent performance in standardized assemblies
Professional Applications & Engineering Value
This 316 stainless steel flange nut delivers exceptional engineering value by combining corrosion-resistant material with a robust external hex drive and UNC coarse thread design. It effectively addresses common industrial challenges such as fastener failure in corrosive settings, installation inefficiency, and vibration-induced loosening. The integrated flange eliminates the need for separate washers, streamlining assembly in heavy-duty machinery, structural frameworks, and marine equipment. Its Class 2B thread fit ensures precise, secure fastening, reducing maintenance needs and enhancing operational reliability in demanding applications.
Specification Summary & Compliance
This flange nut adheres to UNC coarse thread standards with a Class 2B thread fit for consistent dimensional accuracy. Key specifications include a 1/2"-13 thread size, 1-1/64" flange diameter, 0.16" flange thickness, 3/4" width, and 29/64" height. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial use.
