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  • Nylon Insert Class 10.9 Cr3 Locknut

Metric Class 10.9 Nylon Insert Locknuts Clear Zinc Cr3 Plating

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Metric Class 10.9 Nylon Insert Locknuts – Clear Zinc Cr3 Plated: High-Strength Locking for Demanding Metric Applications

For fastening solutions that demand superior tensile strength and vibration resistance, Metric Class 10.9 nylon insert locknuts with Clear Zinc Cr3 plating offer a high-performance, dependable option. Manufactured from hardened alloy steel and designed to meet Class 10.9 mechanical properties, these locknuts are ideal for heavy-duty industrial machinery, automotive assemblies, power transmission systems, and construction applications that require metric sizing.

These locknuts are engineered with an integrated nylon collar, which acts as a prevailing torque locking mechanism. As the nut is threaded onto a bolt, the nylon insert compresses around the threads, creating a friction fit that resists loosening caused by vibration, shock, or repeated motion. This makes them a top choice in dynamic environments where bolt security is mission-critical.

The Clear Zinc Cr3 plating adds a durable layer of corrosion resistance while maintaining a clean, professional silver finish. Unlike older hexavalent zinc coatings, trivalent chromium (Cr3) is RoHS-compliant and environmentally friendly, making these locknuts suitable for manufacturers looking to align with modern regulations without sacrificing quality or protection.

Specifications & Features:

  • Material Grade: 10.9 (hardened alloy steel)

  • Locking Type: Nylon insert (prevailing torque)

  • Finish: Clear Zinc Cr3 (trivalent chromium)

  • Thread Type: Metric – coarse and fine available

  • Sizes: Commonly from M6 to M30

  • Standards: DIN 985, ISO 10511, EN 24032

Whether you're building critical infrastructure or assembling high-performance machinery, Metric Class 10.9 nylon insert locknuts with Clear Zinc Cr3 plating offer unmatched strength, security, and corrosion protection.

Need help identifying the right size or quantity for your job? Reach out today—our fastener specialists are ready to assist!