S-97260A108 M20 DIN 982, ISO 7040 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through the nylon insert that prevents loosening under dynamic loads and harsh conditions
• High-temperature reliability with the nylon insert maintaining locking performance up to 220°F (105°C)
• Exceptional strength and durability from the Class 10 steel construction, suitable for heavy-duty industrial applications
• Corrosion protection provided by the zinc-plated steel finish, extending service life in various environments
• Precise and reliable fit ensured by the Class 6H thread tolerance, reducing the risk of cross-threading and assembly errors
• Global compliance and interoperability by meeting DIN 982 and ISO 7040 standards for consistent performance
• Easy installation and removal with the standard external hex drive, compatible with common tools

Professional Applications & Engineering Value

This M20 nylon insert lock nut is engineered to solve critical challenges in machinery, automotive, and structural assemblies where vibration-induced loosening is a major concern. The nylon insert creates consistent friction and elastic recovery on the metric coarse thread, maintaining clamp load without damaging mating threads. Manufactured from zinc-plated steel, it resists corrosion in industrial environments while the Class 10 strength ensures integrity under high stress. Its compliance with DIN 982 and ISO 7040 guarantees dimensional accuracy and reliable performance in global supply chains, making it ideal for OEMs and MRO applications requiring durable, reusable locking solutions.

Specification Summary & Compliance

This lock nut features an M20x2.5 coarse thread with Class 6H thread fit per ISO standards, ensuring precise engagement. It is manufactured in accordance with DIN 982 and ISO 7040 specifications for dimensional and performance consistency. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, confirming the absence of restricted hazardous substances. With a right-hand thread direction and external hex drive, it supports efficient assembly and meets rigorous industrial quality requirements.