S-90576A119 M12 DIN 985, ISO 10511 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through the durable nylon insert that maintains locking force even under continuous stress
• High-temperature performance with nylon insert rated for operations up to 220°F (105°C) without compromising locking capability
• Exceptional strength and durability from Class 8 zinc-plated steel construction for heavy-duty industrial applications
• Reliable coarse thread engagement with M12 x 1.75mm metric threading and Class 6H fit for secure fastening in demanding environments
• Standard external hex drive design allows for easy installation using common tools while providing maximum torque transmission
• International compliance assurance meeting both DIN 985 and ISO 10511 standards for global project compatibility
• Environmental regulation compliance with RoHS 3 and REACH SVHC requirements for safe, sustainable manufacturing

Professional Applications & Engineering Value

This M12 nylon insert lock nut delivers critical vibration resistance in demanding industrial environments where loosening under dynamic loads poses significant safety risks. The zinc-plated steel construction combined with Class 8 strength rating ensures reliable performance in heavy machinery, automotive assemblies, and structural applications. The nylon insert locking mechanism creates consistent friction against bolt threads, maintaining clamp force even during temperature fluctuations up to 220°F. Engineered with coarse thread spacing and Class 6H thread fit, this metric lock nut provides rapid installation while meeting precise DIN 985 and ISO 10511 specifications for international projects requiring standardized components.

Specification Summary & Compliance

This locknut features M12 x 1.75mm coarse metric threading with Class 6H thread fit tolerance, ensuring precise engagement with mating components. The external hex drive measures 19mm across flats with a 12mm height profile. Manufacturing complies with DIN 985 and ISO 10511 standards for dimensional accuracy and performance. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, confirming adherence to environmental and substance restriction regulations for safe industrial use.