S-90576A125 M20 DIN 985, ISO 10511 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through nylon insert locking mechanism, preventing loosening in high-stress environments
- Exceptional durability with Class 8 strength rating, ensuring reliable performance under heavy loads
- Corrosion protection from zinc-plated steel construction, extending service life in demanding conditions
- High-temperature capability with nylon insert rated to 220°F, maintaining locking performance in thermal applications
- Reusable design allowing multiple installations without compromising locking effectiveness
- Standard external hex drive for easy installation using common metric tools and equipment
- Coarse thread configuration enabling faster assembly and reduced cross-threading risks
Professional Applications & Engineering Value
Engineered for industrial applications where vibration-induced loosening poses significant safety and maintenance challenges, these M20 nylon insert lock nuts provide reliable fastening solutions. The zinc-plated steel construction combined with the nylon locking element creates a durable barrier against environmental factors while maintaining consistent clamping force. Particularly valuable in machinery assembly, automotive components, and structural frameworks, these metric lock nuts address critical engineering needs for vibration resistance and repeated usability. The coarse thread design ensures quick installation in production environments, while the external hex drive accommodates standard wrenching tools for efficient maintenance procedures.
Specification Summary & Compliance
Manufactured to precise Class 6H thread fit tolerance standards, these lock nuts feature M20x2.5mm coarse threads with right-hand orientation. Compliance with DIN 985 and ISO 10511 manufacturing specifications ensures dimensional accuracy and performance reliability. The products meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, confirming environmental safety and regulatory adherence for industrial use across global markets.
