S-91343A106 M4 DIN 6923 Flange Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments like marine and chemical processing
• Reliable vibration resistance through serrated locking technology that prevents loosening under dynamic loads
• Integrated flange design eliminates need for separate washers, reducing assembly time and part count
• Precise Class 6H thread fit ensures smooth installation and consistent clamping force
• External hex drive compatibility with standard tools for quick installation and removal
• DIN 6923 compliance guarantees dimensional accuracy and interchangeability in European machinery
• RoHS 3 environmental compliance meets strict regulatory requirements for industrial applications

Professional Applications & Engineering Value

This 316 stainless steel flange lock nut combines material excellence with advanced locking mechanics to solve critical fastening challenges in demanding environments. The serrated locking type creates permanent resistance to vibration-induced loosening, while the integrated 10mm flange diameter provides superior load distribution that prevents surface damage. Engineered to DIN 6923 standards with M4 coarse thread and Class 6H thread fit, this fastener delivers reliable performance in automotive assemblies, marine equipment, and industrial machinery where corrosion resistance and vibration-proof security are paramount. The external hex drive style ensures compatibility with standard tools for efficient maintenance in confined spaces.

Specification Summary & Compliance

This metric flange lock nut features M4 x 0.7mm coarse right-hand thread with Class 6H thread fit tolerance, 7mm width across flats, and 4.65mm height. Manufactured to DIN 6923 specifications with 10mm flange diameter and 1mm flange thickness. Compliant with RoHS 3 (2015/863/EU) environmental standards for industrial use.