S-90576A172 M20 ISO 10511, DIN 985 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance with nylon insert locking that maintains secure fastening in high-vibration environments
• High-temperature performance with nylon insert rated for reliable operation up to 220°F (105°C)
• Exceptional strength and durability from Class 8 steel construction for heavy-duty industrial applications
• Enhanced corrosion protection through zinc-plated steel finish for extended service life
• Precision thread engagement with Class 6H thread fit ensuring consistent, reliable mating with mating components
• International standard compliance meeting both ISO 10511 and DIN 985 specifications for global project compatibility
• Environmental responsibility with RoHS 3 compliance for sustainable manufacturing practices

Professional Applications & Engineering Value

This M20 nylon insert locknut delivers critical vibration resistance in demanding industrial environments where machinery and equipment experience constant motion and stress. The zinc-plated steel construction combined with the nylon insert locking mechanism creates a reliable fastening solution that prevents loosening under extreme conditions, making it ideal for automotive assemblies, heavy machinery, conveyor systems, and manufacturing equipment. The fine thread pitch of 1.5mm provides superior clamping force distribution and better tension control compared to coarse thread alternatives. Engineered to ISO 10511 and DIN 985 standards, this Class 8 strength locknut ensures consistent performance across global projects while the external hex drive design allows for efficient installation with standard tools, reducing assembly time and labor costs.

Specification Summary & Compliance

This metric locknut features M20x1.5mm fine threads with Class 6H thread fit tolerance for precise mating compatibility. The external hex drive measures 30mm across flats with a 20mm height profile. Manufactured to ISO 10511 and DIN 985 specifications with Class 8 strength rating, the locknut utilizes right-hand threading direction. The product is fully RoHS 3 (2015/863/EU) compliant and features zinc-plated steel construction with nylon insert rated for temperatures up to 220°F.