S-91343A201 1/4"-28 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 vibration resistance through serrated locking technology that prevents loosening under dynamic loads
- Exceptional corrosion resistance with 316 stainless steel construction for harsh environments and chemical exposure
- Integrated flange design eliminates need for separate washers, distributing load over wider surface area
- Precision fine threading (1/4"-28 UNF) ensures tighter, more secure fastening with Class 2B thread fit
- Enhanced installation efficiency with external hex drive allowing standard wrench access and higher torque application
- Long-term reliability in demanding applications due to robust 316 stainless steel material properties
- Regulatory compliance with REACH and RoHS 3 standards for global industrial applications
Professional Applications & Engineering Value
This 316 stainless steel serrated flange locknut delivers critical performance advantages in vibration-intensive environments where fastener integrity is paramount. The serrated locking mechanism creates permanent resistance to rotational loosening, making it ideal for automotive assemblies, heavy machinery, and electrical enclosures subject to constant motion. The UNF fine thread configuration with Class 2B fit provides superior clamping force distribution, while the integrated flange design (19/32" diameter) eliminates washer requirements and reduces assembly time. Manufactured from premium 316 stainless steel, this hex nut maintains structural integrity in corrosive conditions including marine, chemical processing, and outdoor applications, ensuring long-term reliability with minimal maintenance.
Specification Summary & Compliance
This flange locknut features precision 1/4"-28 UNF fine threads with Class 2B thread fit for consistent engagement and reliable performance. Critical dimensions include 7/16" width, 15/64" height, 19/32" flange diameter, and 0.09" flange thickness. The product fully complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards, ensuring suitability for regulated industrial applications worldwide.
