S-90576A141 M12 ISO 10511, DIN 985 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert locking technology that maintains secure fastening in high-motion environments
• Enhanced corrosion protection with zinc-plated steel construction for extended service life in demanding industrial conditions
• High-temperature performance with nylon insert rated to 220°F (104°C) for reliable operation in thermal cycling applications
• Exceptional strength reliability with Class 8 rating ensuring consistent performance under heavy mechanical loads
• Precision thread engagement with extra-fine 1.25mm pitch and Class 6H thread fit for secure, accurate installation
• Global compliance assurance meeting both ISO 10511 and DIN 985 standards for international project compatibility
• Environmental responsibility with RoHS 3 compliance for sustainable manufacturing and regulatory adherence

Professional Applications & Engineering Value

This M12 nylon insert lock nut delivers critical vibration resistance for machinery, automotive, and industrial equipment where constant motion threatens fastener integrity. The zinc-plated steel construction provides essential corrosion protection in harsh environments, while the extra-fine 1.25mm thread pitch ensures superior clamping force distribution and resistance to loosening. Engineered to ISO 10511 and DIN 985 specifications, this Class 8 strength locknut maintains reliable performance in assembly lines, power transmission systems, and precision equipment where thermal cycling up to 220°F demands consistent locking performance. The right-hand metric thread design offers compatibility with standard industrial components, making it an ideal solution for maintenance and manufacturing applications requiring dependable, reusable locking fasteners.

Specification Summary & Compliance

This locknut features M12 x 1.25mm extra fine metric threads with Class 6H thread fit tolerance for precision engagement. Manufactured to ISO 10511 and DIN 985 standards with Class 8 strength rating and dimensional specifications of 19mm width and 12mm height. The product is RoHS 3 (2015/863/EU) compliant and features external hex drive design for standard tool compatibility. The nylon insert locking mechanism maintains performance across the specified temperature range while providing reusable vibration resistance.