S-90438A180 M10 JIS B 1190 Flange Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance with integrated flange design that eliminates the need for separate washers
• Enhanced corrosion protection through zinc-plated steel construction for extended service life in harsh environments
• High-strength performance meeting Class 8 requirements for demanding industrial applications
• Precise thread engagement with M10x1.25 fine pitch metric threads ensuring secure, reliable fastening
• Time-saving installation with standard external hex drive and built-in flange for simplified assembly
• Regulatory compliance with JIS B 1190 standards and environmental regulations including REACH and RoHS 3
• Optimized load distribution through 21mm flange diameter that reduces surface pressure and prevents damage

Professional Applications & Engineering Value

This Class 8 flange nut delivers exceptional engineering value through its zinc-plated steel construction and integrated flange design that addresses common industrial challenges. The 21mm flange diameter provides superior load distribution, preventing surface damage and maintaining structural integrity in high-vibration environments. The M10x1.25 fine thread configuration ensures precise engagement and superior resistance to loosening under dynamic loads. Particularly valuable in automotive assembly, machinery manufacturing, and structural applications, this JIS B 1190 compliant fastener combines the corrosion resistance of zinc plating with the reliability of standardized metric threading. The integrated flange eliminates the need for additional washers, streamlining assembly processes while maintaining consistent clamping force in demanding industrial settings where vibration resistance and long-term reliability are critical.

Specification Summary & Compliance

This flange nut features M10x1.25 fine metric threads with Class 6H thread fit tolerance, ensuring precise engagement and reliable performance. Manufactured to JIS B 1190 specifications with Class 8 strength rating, the nut delivers consistent mechanical properties for industrial applications. The product maintains full compliance with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, confirming its suitability for regulated industries. With standardized 14mm width across flats and 10mm height, the nut provides compatibility with standard tools and consistent installation torque values across applications.