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Quality YD35-005~008 Coupler Lock: Multi-Dia, Multi-Finish, 2 Keys for Camping/Construction/Dry Areas factory
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Quality YD35-005~008 Coupler Lock: Multi-Dia, Multi-Finish, 2 Keys for Camping/Construction/Dry Areas factory
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YD35-005~008 Coupler Lock: Multi-Dia, Multi-Finish, 2 Keys for Camping/Construction/Dry Areas

Brand Name: YEEDA
Model Number: YD35-005-008
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


Product Type: Trailer Coupler Lock Fit: Most Couplers
YD35-005: Yellow Paint (high Visibility, Scratch-resistant) YD35-006: Bronze Coating (vintage Texture, Oxidation-resistant)
YD35-007: Zinc Plating (basic Corrosion Resistance, Low Cost) YD35-008: Nickel Plating (high Hardness, Salt Spray-resistant)
Highlight

Coupler lock for camping construction

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Multi-diameter coupler lock

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Coupler lock with 2 keys

Product Description

YD35-005~008 Coupler Lock: Multi-Diameter, Multi-Finish, 2 Keys for Camping/Construction/Dry Areas
Product Specifications
Core Parameter Summary
Parameter Category General Specifications (YD35-005/006/007/008)
Product Type Trailer coupler lock (compatible with most universal trailer couplers, used with 1/2" and 5/8" hitch pins to lock the connection between the trailer and the tow vehicle, anti-theft and anti-accidental disconnection)
Fit Most Couplers (covering most standard couplers for household camping trailers, cargo trailers, RVs, and light-duty work trailers)
Lock Core Diameter
  • YD35-005: 0.51" (13mm, compatible with small coupler holes)
  • YD35-006: 1/4" (6.35mm, compatible with small holes of light-duty trailer couplers)
  • YD35-007: 1/4" (6.35mm, same size as YD35-006)
  • YD35-008: 2" (50mm, compatible with large holes of heavy-duty trailer couplers)
Finish
  • YD35-005: Yellow paint (high visibility, scratch-resistant)
  • YD35-006: Bronze coating (vintage texture, oxidation-resistant)
  • YD35-007: Zinc plating (basic corrosion resistance, low cost)
  • YD35-008: Nickel plating (high hardness, salt spray-resistant)
Material & Structure
  • Lock Body: High-strength low-carbon steel (YD35-005/006/007), alloy steel (YD35-008)
  • Lock Core: Brass (precise tooth pattern, anti-rust, switch life ≥4,000 cycles)
  • Matching Hitch Pin: Compatible with 1/2" and 5/8" standard hitch pins
Model Comparison
Model Lock Core Diameter Finish Core Applicable Scenarios
YD35-005 0.51" (13mm) Yellow paint Small household trailers, high visibility scenarios
YD35-006 1/4" (6.35mm) Bronze coating Light-duty work trailers, users valuing appearance
YD35-007 1/4" (6.35mm) Zinc plating Light-duty trailers in dry areas, budget users
YD35-008 2" (50mm) Nickel plating Large heavy-duty trailers, humid/coastal environments
Product Details
Multi-Diameter + Multi-Finish Design
  • Precise Diameter Matching: Compatible with 0.51" to 2" coupler holes, covering small to heavy-duty trailers
  • Differentiated Finishes: Yellow paint for visibility, nickel plating for harsh environments, bronze coating for aesthetics
Reinforced Structure & Security Features
  • High-Strength Lock Body: Shear strength ≥350MPa, bending strength ≥400MPa for heavy-duty models
  • Brass Lock Core: Rust-resistant, precise tooth patterns for anti-duplication
  • Dual Key Configuration: 2 brass keys included for convenience and backup
Application Scenarios
Household Camping Trailers (YD35-005/006/007)
  • High visibility for night parking (yellow paint model)
  • Easy installation within 1 minute
  • No oxidation issues after 6 months of use
Heavy-Duty Construction Trailers (YD35-008)
  • Salt spray resistant for coastal environments
  • No deformation when towing up to 20 tons
  • Dual key management for operational security
Frequently Asked Questions
Q1: The lock body wobbles after installation
  • Check model compatibility with coupler hole size
  • Ensure hitch pin is fully inserted
  • Use thin sponge tape for small gaps (≤0.3mm)
Q2: Difficulty inserting the key after long-term use
  • Clean dust from lock core with compressed air
  • Use lock-specific lubricant (not engine oil)
  • Check key wear and test with spare key
YD35 Series Trailer Coupler Lock in various finishes and sizes

Product Highlights

YD35-005~008 Coupler Lock: Multi-Diameter, Multi-Finish, 2 Keys for Camping/Construction/Dry Areas Product Specifications Core Parameter Summary Parameter Category General Specifications (YD35-005/006/007/008) Product Type Trailer coupler lock (compatible with most universal trailer couplers, used ...

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