S-93625A400 M12 DIN 985 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert technology that maintains locking performance even under continuous stress
• Excellent corrosion resistance provided by 18-8 stainless steel construction for extended service life in harsh environments
• Reliable high-temperature performance with nylon insert functioning effectively up to 220°F (104°C)
• Precise thread engagement with Class 6H thread fit ensuring consistent, secure fastening in metric applications
• Industry-standard compliance meeting DIN 985 specifications for guaranteed dimensional accuracy and performance
• Easy installation and removal with standard 19mm external hex drive compatible with common tools
• Environmental compliance with RoHS 3 and REACH regulations for safe use across various industries

Professional Applications & Engineering Value

These M12 nylon insert lock nuts deliver critical vibration resistance in demanding industrial environments where loosening under dynamic loads poses significant safety risks. The 18-8 stainless steel construction provides exceptional corrosion resistance, making them ideal for chemical processing, marine applications, and outdoor equipment exposed to moisture. The nylon insert locking mechanism creates consistent friction against the mating bolt threads, maintaining clamp force without damaging threads during installation or removal. With coarse thread pitch (1.75mm) and Class 6H thread fit, these lock nuts offer quick assembly while ensuring precise engagement in metric fastener systems. Their compliance with DIN 985 standards guarantees dimensional consistency across production batches, reducing installation time and improving maintenance efficiency in automotive, machinery, and structural applications where reliable locking performance is non-negotiable.

Specification Summary & Compliance

This M12 x 1.75mm nylon insert lock nut features Class 6H thread fit with coarse thread spacing according to metric standards. The external hex drive measures 19mm across flats with a 12mm height profile. Manufactured to DIN 985 specifications, these lock nuts maintain dimensional precision and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.