S-97131A230 M24 DIN 982, ISO 7040 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert locking that maintains secure fastening in high-motion environments
• Exceptional durability with Class 8 strength rating for heavy-duty industrial applications requiring reliable performance
• Enhanced corrosion protection from zinc-plated steel construction extending service life in demanding conditions
• High-temperature stability with nylon insert rated to 220°F (104°C) for consistent locking performance in thermal cycling applications
• Precision threading with Class 6H thread fit ensuring smooth installation and optimal engagement with mating components
• Industry-standard compliance meeting DIN 982 and ISO 7040 specifications for guaranteed interchangeability and quality
• Easy installation and removal with external hex drive design compatible with standard wrenching tools

Professional Applications & Engineering Value

This M24 nylon insert lock nut delivers critical vibration resistance for industrial machinery, automotive assemblies, and structural applications where loosening under dynamic loads poses significant safety risks. The zinc-plated steel construction provides essential corrosion protection while maintaining the Class 8 strength rating necessary for high-stress fastening points. The nylon insert locking mechanism creates consistent friction against mating threads, eliminating the need for secondary locking devices and reducing assembly time. With coarse metric threading (M24x3mm) and Class 6H thread fit, these lock nuts ensure precise engagement while accommodating typical manufacturing tolerances. The 220°F temperature rating makes them suitable for engine compartments, industrial ovens, and equipment experiencing thermal expansion, providing reliable performance where standard lock nuts would fail.

Specification Summary & Compliance

This high-strength lock nut features M24x3mm coarse threads with Class 6H thread fit per ISO metric standards, ensuring dimensional accuracy and compatibility with corresponding bolts. Manufactured to DIN 982 and ISO 7040 specifications, it guarantees consistent quality and performance across industrial applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances. With dimensions of 36mm width and 28mm height, this external hex drive lock nut provides optimal wrench engagement for secure installation in demanding environments.