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Quality Trailer Coupler Lock: Multi-Dia, Chrome Anti-Corrosion, 2 Keys for Camping/RV/Cargo factory
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Quality Trailer Coupler Lock: Multi-Dia, Chrome Anti-Corrosion, 2 Keys for Camping/RV/Cargo factory
Quality Trailer Coupler Lock: Multi-Dia, Chrome Anti-Corrosion, 2 Keys for Camping/RV/Cargo factory
Quality Trailer Coupler Lock: Multi-Dia, Chrome Anti-Corrosion, 2 Keys for Camping/RV/Cargo factory
Quality Trailer Coupler Lock: Multi-Dia, Chrome Anti-Corrosion, 2 Keys for Camping/RV/Cargo factory
>

Trailer Coupler Lock: Multi-Dia, Chrome Anti-Corrosion, 2 Keys for Camping/RV/Cargo

Brand Name: YEEDA
Model Number: YD35-001-004
Place of Origin: Zhejiang,China
Certification: CE
Minimum Order Quantity: 50pcs
Supply Ability: 500PCS/MONTH
Delivery Time: 30-45DAYS
Payment Terms: T/T
Standard Packaging: Carton Box or Crate

Product Details


YD35-001: 5/8" (15.88mm) & 1/2" (12.7mm) YD35-002: 5/8" (15.88mm)
YD35-003: 1/4" (6.35mm) & 5/8" (15.88mm) YD35-004:: 5/8" (15.88mm)
Highlight

trailer coupler lock with 2 keys

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chrome anti-corrosion trailer coupler

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RV camping cargo coupler lock

Product Description

YD35 Series Trailer and Coupler Lock
Chrome-plated anti-corrosion trailer lock with multi-diameter compatibility, high-security brass core, and dual-key configuration for camping, RV, and cargo trailers.
Product Specifications
Core Parameters
Parameter Category General Specifications
Product Type Trailer and coupler lock (compatible with most standard trailer couplers)
Fit Most universal trailer couplers (camping trailers, cargo trailers, RVs)
Lock Core Diameter
  • YD35-001: 5/8" (15.88mm) & 1/2" (12.7mm)
  • YD35-002: 5/8" (15.88mm)
  • YD35-003: 1/4" (6.35mm) & 5/8" (15.88mm)
  • YD35-004: 5/8" (15.88mm)
Finish Chrome plating (15-20μm thickness, fingerprint-resistant, anti-oxidation)
Material & Structure
  • Lock Body: High-strength alloy steel (≥400MPa tensile strength)
  • Lock Core: Brass (≥5,000 cycles switch life)
  • Protective Accessories: PVC dust caps on select models
Model Comparison
Model Lock Core Diameter Applicable Scenarios Key Advantages
YD35-001 5/8", 1/2" Trailers with dual-size holes Dual-size compatibility, wide coverage
YD35-002 5/8" Regular trailers with 5/8" holes Cost-effective single-size solution
YD35-003 1/4", 5/8" Small-hole accessories + regular trailers Includes ultra-small 1/4" size
YD35-004 5/8" High-frequency use trailers Thickened lock body for durability
Key Features
Multi-Size Compatibility
  • Dual-size models (YD35-001 & YD35-003) eliminate need for multiple locks
  • Precise size matching (gap ≤0.2mm) prevents wobbling and noise
  • 5/8" size compatible with most global standard trailer holes
Enhanced Security & Durability
  • Chrome-plated surface resists rust for 6+ months in harsh conditions
  • High-strength alloy steel body withstands ≥350MPa shear force
  • Brass lock core with complex tooth pattern prevents duplication
User-Friendly Design
  • Includes 2 brass keys (anti-rust, wear-resistant)
  • Waterproof seal ring prevents lock core jamming
  • Tool-free installation completes in under 1 minute
Application Scenarios
Household Camping Trailer Anti-Theft
Ideal for weekend campers needing secure, corrosion-resistant locking for trailers parked in open areas. The PVC dust cap protects against outdoor elements.
Logistics Company Trailer Locking
Perfect for high-frequency commercial use with thickened lock body (YD35-004) that withstands daily wear from loading/unloading operations.
Multi-Trailer User Solution
YD35-001 model serves users with both small (1/2") and medium (5/8") trailers, eliminating the need to carry multiple locks.
Frequently Asked Questions
Key won't rotate after installation?
  • Check key insertion direction (brass keys have front/back sides)
  • Clean lock core with compressed air or lubricant
  • Ensure lock body is fully inserted without tilt
Rust spots in coastal areas?
  • Minor spots: Polish with 1000-grit sandpaper and apply chrome repair agent
  • Severe rust: Replace lock body if coverage exceeds 10%
  • Prevention: Wipe salt regularly and apply anti-rust wax monthly
How to determine correct lock size?
  • Measure hole diameter with caliper or precise ruler
  • Match to common sizes: 1/4" (6.35mm), 1/2" (12.7mm), or 5/8" (15.88mm)
  • Consult trailer type guidelines or contact customer service
Lost a key - what to do?
  • Contact official brand service to duplicate from remaining key
  • Register key pattern number for future reference
  • Consider purchasing same model as backup if duplication takes time

Product Highlights

YD35 Series Trailer and Coupler Lock Chrome-plated anti-corrosion trailer lock with multi-diameter compatibility, high-security brass core, and dual-key configuration for camping, RV, and cargo trailers. Product Specifications Core Parameters Parameter Category General Specifications Product Type ...

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