Safety Wire Bolt electroplating black

主要功能 
  • Durability: Extends bolt lifespan in harsh conditions (e.g., aerospace, automotive, marine).

  • Electrical Conductivity: Maintains grounding capability (unlike some polymer coatings).

  • Temperature Resistance: Suitable for moderate-high temperature applications.

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Safety Wire Bolt Electroplating Black – Overall Description
1. Overview

safety wire bolt (也稱為 lockwire bolt) is a specialized fastener designed to be secured with safety wire to prevent loosening due to vibration or movement. Electroplating black is a surface treatment applied to the bolt for corrosion resistance, aesthetic appeal, and improved durability.

2. Electroplating Black Process
  • 材質: Typically applied to steel, stainless steel, or other metals.

  • Coating Type: Usually involves zinc electroplating with a black chromate conversion coating (Zn + Black Passivation).

  • Process Steps:

    1. Cleaning & Degreasing – Removes oils and contaminants.

    2. Acid Pickling – Eliminates rust and scales.

    3. Electroplating (Zinc Coating) – Deposits a layer of zinc for corrosion resistance.

3. Key Features & Benefits
  • Corrosion Resistance: Protects against rust and environmental exposure.

  • Aesthetic Appeal: Provides a uniform, matte-black finish.

  • Safety Wire Bolt electroplating black
  • Durability: Extends bolt lifespan in harsh conditions (e.g., aerospace, automotive, marine).

  • Electrical Conductivity: Maintains grounding capability (unlike some polymer coatings).

  • Temperature Resistance: Suitable for moderate-high temperature applications.

4. Common Applications
  • Aerospace: Engine components, landing gear, and critical fasteners.

  • Military & Defense: Firearms, vehicle assemblies.

  • Automotive & Racing: High-vibration environments.

  • Industrial Machinery: Equipment requiring secure, vibration-resistant fastening.

  • Safety Wire Bolt electroplating black
6. Considerations
  • Compatibility: Must not interfere with torque or wire-locking function.

  • Inspection: Coating should be uniform, free of peeling, and pass salt spray testing (e.g., 96+ hours ASTM B117).

Conclusion

safety wire bolt with electroplated black finish combines mechanical security with enhanced corrosion protection, making it ideal for critical applications where reliability and longevity are essential.

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