Wheel Trailer Hitch Spring Clips
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Wheel Trailer Hitch Spring Clips - Professional Grade Safety Fasteners
Qingdao RuiRui's Wheel Trailer Hitch Spring Clips deliver enterprise-level reliability through precision-engineered 5/8-inch diameter spring steel construction. Our clips feature 2.85-inch length specifications with zinc-plated finish for superior corrosion resistance. Manufactured using 20+ CNC machines with ±0.005mm tolerances, these clips withstand extreme vibration and load stress. Each batch undergoes rigorous quality testing following ISO 9001:2015 standards. With 17+ years manufacturing expertise and 1000-piece minimum order quantities, we provide cost-effective solutions that prevent catastrophic trailer uncoupling while enabling tool-free assembly operations for commercial and recreational applications.

Product Specifications
|
Parameter |
Specification |
|
Type |
Cotter/Spring Clip |
|
Diameter |
5/8 Inch |
|
Length |
2.85 Inch |
|
Material |
High-Carbon Spring Steel |
|
Surface Finish |
Zinc Plated (Cr3+ Blue) |
|
Minimum Order |
1000 Pieces |
|
Hardness |
HRC 42-48 |
|
Tolerance |
±0.005mm |
|
Compliance |
ISO 9001:2015 |
What Are Wheel Trailer Hitch Spring Clips?
These specialized mechanical fasteners serve as your primary safety mechanism in trailer coupling systems. Unlike basic cotter pins, our clips use elastic deformation technology to lock securely into place.
You get reusable fasteners that maintain constant tension against pin grooves. This prevents dangerous uncoupling during transport. The spring steel construction provides memory retention, returning to original shape after each use.
Our clips solve three critical problems you face daily. First, they eliminate vibration-induced loosening on rough roads. Second, they resist corrosion in harsh weather conditions. Third, they allow quick assembly without special tools.

Key Applications and Use Cases
Marine and Boat Trailers
Your saltwater environment demands superior corrosion protection. Our zinc-plated finish withstands marine conditions while securing winch assemblies and roller systems.
Agricultural Equipment
Farm trailers experience constant vibration and debris exposure. These products maintain secure connections on implement hitches and clevis pins through demanding field conditions.
RV and Recreational Vehicles
You need reliable jockey wheel stabilization for safe parking and leveling. Our clips secure height adjustment pins preventing unwanted movement during camping setups.
Heavy-Duty Commercial Transport
Class III-V hitches require maximum security for loads exceeding 10,000 pounds. Our clips provide the shear strength necessary for commercial hauling operations.
Advanced Engineering Features
Precision Manufacturing
We machine each clip using Swiss-type CNC technology with multi-axis capabilities. This ensures consistent dimensional accuracy and surface quality across every production run.
Material Science Excellence
Our spring steel grade 65Mn provides optimal elasticity and tensile strength. Heat treatment to HRC 42-48 hardness prevents plastic deformation under repeated stress cycles.
Surface Protection Technology
The zinc plating process delivers 72+ hours salt spray resistance per ASTM B117 standards. This protects your investment in challenging environmental conditions.
Ergonomic Design
Chamfered wire ends enable smooth insertion without damaging pin coatings. The calculated shear radius prevents stress concentration points that could cause premature failure.

Why Choose RuiRui's Spring Clips?
Factory Direct Advantages
You eliminate middleman markup with our source factory pricing. This delivers 20-30% cost savings compared to distributor channels while maintaining premium quality standards.
Quality Assurance System
Every batch undergoes first article inspection and dimensional verification. We provide material certification and full traceability documentation for your quality records.
Rapid Delivery Capability
Our 24/7 production schedule with three-shift operation ensures consistent availability. Prototype quantities ship within 1-2 weeks, production volumes in 4-7 weeks.
Technical Support
Our engineering team provides design-for-manufacturability consultation. You get expert guidance on optimal clip selection for your specific application requirements.
Installation and Maintenance Guidelines
Proper Installation Process
Insert the clip through the hitch pin hole until both legs pass completely through. The clip should snap into the retention groove with audible confirmation of engagement.
Regular Inspection Schedule
Examine clips before each use for signs of deformation or corrosion. Replace immediately if you notice cracks, permanent bending, or coating deterioration.
Storage Recommendations
Store clips in dry conditions away from corrosive chemicals. Apply light machine oil to maintain coating integrity during extended storage periods.

Quality Standards and Compliance
Our manufacturing facility maintains ISO 9001:2015 certification with continuous improvement protocols. Each production run includes statistical process control monitoring and documentation.
We conduct 100% visual inspection plus batch sampling per AQL standards. Critical dimensions receive CMM verification to ensure your Wheel Trailer Hitch Spring Clips meet exact specifications.
Material traceability includes mill test certificates and heat treatment records. This provides complete documentation for your quality management systems.
Customization Capabilities
Alternative Materials Available
We manufacture clips in ANSI 316 stainless steel for extreme marine applications. Alternative coatings include Dacromet for extended corrosion resistance.
Custom Dimensions
Our CNC capabilities accommodate special length or diameter requirements. Minimum order quantities apply for non-standard configurations.
Private Labeling
We offer custom packaging and marking services for distributor and OEM customers. Your brand identity integrates seamlessly with our manufacturing excellence.
Global Shipping and Support
Worldwide Delivery Options
We ship globally using EXW, FOB, or DDP terms based on your preference. Our proximity to Qingdao Port ensures efficient container loading and competitive freight rates.
Technical Documentation
Complete installation guides and specification sheets accompany every shipment. We provide multi-language documentation to support your international operations.
After-Sales Service
Our technical team remains available for application support and troubleshooting assistance. We maintain comprehensive inventory levels for consistent supply security.
Your trailer safety depends on reliable fastening solutions. Our products combine precision engineering with proven durability for peace of mind on every journey.
Contact Us
Ready to secure your trailer systems with Wheel Trailer Hitch Spring Clips? Email us at kshdhardware@qdkshd.com for quotes and technical specifications.
Send Inquiry
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