S-91028A112 M12 JIS B 1181 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments
- Exceptional load-bearing capacity from Class 8 strength grade, ensuring reliable performance under high-stress conditions
- Precise thread engagement with Class 6H thread fit and extra fine 1.25mm pitch, minimizing vibration-induced loosening
- Standardized compatibility through JIS B 1181 certification, guaranteeing interchangeability with metric fastener systems
- Enhanced installation efficiency with 17mm external hex drive profile, enabling quick assembly with common tools
- Regulatory compliance assurance meeting RoHS 3 and REACH standards, facilitating global supply chain integration
- Optimized size-to-strength ratio with compact 10mm height maintaining full mechanical performance in space-constrained applications
Professional Applications & Engineering Value
This M12 hex nut delivers critical engineering solutions through its zinc-plated steel composition and extra fine thread spacing. The Class 8 strength rating provides reliable clamping force retention in heavy machinery, automotive assemblies, and structural frameworks where vibration resistance is paramount. The Class 6H thread fit ensures precise mating with metric bolts while the JIS B 1181 standard certification guarantees consistent performance across industrial equipment. The zinc plating creates a sacrificial barrier against oxidation, making these industrial fasteners ideal for manufacturing facilities, outdoor installations, and applications requiring corrosion resistance without compromising mechanical integrity.
Specification Summary & Compliance
Manufactured to JIS B 1181 specifications with Class 6H thread fit tolerance and M12 x 1.25mm extra fine thread dimensions (17mm width, 10mm height). This right-hand thread metric hex nut meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements. The external hex drive configuration provides standardized installation compatibility across industrial applications.
