S-93625A100 M3 DIN 985 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through precision-engineered nylon insert that maintains secure locking even under dynamic loads
• Excellent corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh environments
• High-temperature reliability with nylon insert maintaining locking effectiveness up to 220°F (104°C)
• Precise thread engagement with Class 6H thread fit ensuring consistent, reliable fastening in metric applications
• Easy installation and removal with standard external hex drive design compatible with common wrench tools
• Industry-standard compliance meeting DIN 985 specifications for guaranteed dimensional accuracy and performance
• Environmental responsibility with REACH and RoHS 3 compliance for safe use in regulated industries

Professional Applications & Engineering Value

These M3 nylon insert lock nuts deliver critical vibration-resistant fastening solutions for demanding industrial applications where loosening under dynamic loads poses significant safety and performance risks. The 18-8 stainless steel construction provides excellent corrosion resistance, making them ideal for automotive assemblies, electrical enclosures, machinery, and outdoor equipment exposed to moisture and chemicals. The nylon insert locking mechanism creates consistent friction against the mating bolt threads, eliminating the need for additional locking devices while maintaining reliable performance up to 220°F. With metric coarse threading (M3 x 0.5 mm) and Class 6H thread fit, these lock nuts ensure precise engagement and consistent clamping force in automated assembly processes and precision equipment manufacturing.

Specification Summary & Compliance

This external hex locknut features M3 x 0.5 mm coarse metric threading with Class 6H thread fit tolerance per ISO standards, ensuring precise dimensional accuracy and reliable performance. Manufactured to DIN 985 specifications, the locknut maintains consistent quality and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety standards for industrial applications. The nylon insert maintains locking effectiveness within the specified temperature range while the stainless steel construction provides durable, corrosion-resistant performance.