S-94645A270 M20 DIN 985, ISO 10511 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through the nylon insert, ensuring secure fastening in high-motion environments
• High-temperature durability with the nylon insert rated up to 220°F, maintaining locking performance in demanding conditions
• Exceptional strength and reliability from Class 10 strength grade, suitable for heavy-duty industrial applications
• Precise thread fit with Class 6H thread tolerance, providing consistent engagement and reducing cross-threading risks
• Enhanced corrosion resistance due to zinc-plated steel construction, extending service life in harsh environments
• Broad compatibility with DIN 985 and ISO 10511 standards, ensuring interchangeability and quality assurance
• Easy installation and removal with standard external hex drive, facilitating efficient maintenance with common tools

Professional Applications & Engineering Value

This M20x2.5 nylon insert lock nut is engineered to address critical challenges in industrial settings where vibration and dynamic loads compromise fastener integrity. The zinc-plated steel construction offers robust protection against corrosion, while the nylon insert provides consistent locking force without damaging threads, making it ideal for machinery, automotive assemblies, and structural frameworks. Its coarse metric thread and Class 6H fit ensure quick assembly and reliable performance under stress, reducing maintenance downtime and enhancing operational safety in heavy-duty applications.

Specification Summary & Compliance

This locknut adheres to DIN 985 and ISO 10511 standards, with a Class 6H thread fit for precise metric threading. It features a M20 thread size with 2.5 mm coarse pitch, 30 mm width, and 20 mm height. The product is manufactured to meet RoHS 3 (2015/863/EU) compliance, ensuring environmental safety, and supports high-strength requirements with its Class 10 strength rating.