S-99183A760 M12 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through precision distorted thread technology that maintains clamp force under dynamic loads
• Exceptional strength performance with Class 10 rating ensuring reliable performance in high-stress applications
• Enhanced corrosion protection with zinc-plated steel construction for extended service life in industrial environments
• Precise thread engagement with Class 6H thread fit providing consistent, reliable fastening performance
• Easy installation and removal using standard tools thanks to the 19mm external hex drive design
• Optimized for fine thread applications with M12 x 1.5mm pitch delivering superior holding power in precision assemblies
• Regulatory compliance assurance meeting both RoHS 3 and REACH standards for environmental and safety requirements

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these M12 lock nuts with distorted thread technology provide critical vibration resistance in machinery, automotive, and construction applications where loosening under dynamic loads poses significant safety risks. The zinc-plated steel construction offers durable corrosion protection while maintaining the Class 10 strength rating required for high-torque applications. The fine thread pitch (1.5mm) ensures superior clamping force distribution and precise adjustment capabilities, making these metric locknuts ideal for precision equipment, conveyor systems, and heavy machinery where consistent performance under stress is paramount. The top-lock distorted thread design creates progressive resistance that increases with vibration, effectively solving the common industrial challenge of fastener loosening in high-vibration environments.

Specification Summary & Compliance

This metric locknut features precise M12 x 1.5mm fine threads with Class 6H thread fit tolerance ensuring consistent engagement. The external hex drive (19mm width) and 12mm height profile conform to standard metric dimensions. Manufactured to Class 10 strength standards with top-lock distorted thread locking mechanism. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications while meeting international regulatory requirements for hazardous substances.