S-90576A523 M39 ISO 10511, DIN 985 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through the nylon insert that maintains locking force in high-motion applications
• Enhanced durability in demanding environments with zinc-plated steel construction providing reliable corrosion protection
• High-temperature performance with nylon insert rated for maximum 220°F (104°C) operating conditions
• Exceptional load-bearing capacity with Class 8 strength rating for heavy-duty industrial applications
• Precision fine threading with 3mm pitch ensuring secure fastening and reduced loosening risk
• Standardized compatibility meeting ISO 10511 and DIN 985 specifications for global engineering projects
• Environmental compliance with RoHS 3 (2015/863/EU) certification for restricted substance control

Professional Applications & Engineering Value

This M39 nylon insert locknut delivers critical vibration resistance where machinery integrity is paramount. The zinc-plated steel construction withstands industrial environments while the fine metric threading (3mm pitch) ensures precise tension control in heavy equipment, structural assemblies, and automotive systems. The Class 8 strength rating supports high-stress applications, and the nylon insert maintains clamping force without damaging threads. Compliant with ISO 10511 and DIN 985 standards, it provides reliable performance in global manufacturing and maintenance operations where vibration-resistant locking solutions are essential for safety and equipment longevity.

Specification Summary & Compliance

Manufactured to ISO 10511 and DIN 985 standards with Class 6H thread fit tolerance for precision engagement. The metric fine thread (M39 x 3mm) features right-hand direction and external hex drive. Compliant with RoHS 3 (2015/863/EU) environmental directives. Dimensions: 60mm width, 39mm height. Strength Class 8 ensures mechanical performance per international fastener specifications.