Towing and Recovery Chains
Grade 70 Chain Extension with Pear Link & Eye Grab Hook Chain Anchor with Pear Link
A Grade 70 forged chain extension assembly with a pear link and eye grab hook, designed for quick attachment and high-security load fastening in towing, recovery, and cargo securement. Constructed from heat-treated carbon steel, it provides reliable strength and wear resistance for repeated use in transport and logistics environments. The pear link allows smooth connection to hooks or anchor points, while the grab hook enables fast length adjustment without slipping. Standard length is 18.5 inches with a 5,400 lbs
- Catalogue Family
- Towing and Recovery Chains
- Certificates
- EN 10204 3.1 material test certificate on request
CAD files are supplied on request via WhatsApp or email rather than published for open download.
Key Benefits
What Chain Extension with Pear Link Gives You
- Pear-shaped link enables smooth, flexible connection to hooks, anchor points, or towing systems without binding
- Eye grab hook allows fast, secure chain length adjustment without slipping during tensioning
- Grade 70 heat-treated carbon steel delivers high strength and long service life under repeated loading
- Yellow chromate plating resists corrosion in outdoor and wet environments
- One-piece assembly reduces loose parts and simplifies setup compared to multiple connectors
- Dual-purpose design supports both towing support and load securement in a single component
- Standard 3:1 breaking strength to working load limit ratio ensures safety margin for dynamic applications
Application Scenarios
Where Chain Extension with Pear Link Is Used
- Extending trailer safety chains on multi-car haulers where standard chain length is insufficient
- Connecting auxiliary towing points on recovery vehicles or winch setups requiring a heavy-duty lead
- Adapting webbing-based tie-down systems on flatbed trucks to chain-based anchor points
- Securing heavy equipment on construction or agricultural trailers during transit
- Quickly adjusting chain length on ratchet strap assemblies used in logistics and transport
- Providing a durable anchor point for winching operations in off-road or industrial recovery
Who It Is For
Buyers This Product Is Built For
- Truck and trailer fleet operators needing reliable, repeatable chain extensions for safety chains
- Recovery and towing service providers specifying durable, fast-adjusting anchor assemblies
- Logistics companies integrating chain-based securement into flatbed and open-deck transport
- Equipment rental firms supplying chain assemblies for construction and industrial use
- Car hauler manufacturers building multi-car trailers with standardized, high-security tie-downs
Problems It Solves
Problems This Product Removes
- Standard safety chains being too short for multi-car trailers or extended towing setups
- Slipping or loose connections when adjusting chain length during load securement
- Need for multiple separate components to extend chains and attach to hooks
- Corrosion damage in outdoor or wet environments reducing chain life and reliability
- Inconsistent strength or marking on chain extensions from unverified suppliers
- Lack of a single component that combines connection flexibility with secure fastening
Technical Features
Technical Features
- Grade 70 heat-treated carbon steel chain with minimum breaking strength of 16,200 lbs
- Pear-shaped link for smooth, low-friction connection to hooks or anchor points
- Eye grab hook with self-locking design to prevent accidental release during tension
- Yellow chromate plated finish for corrosion resistance in outdoor and wet conditions
- Standard length of 18.5 inches with 5,400 lbs working load limit
- Marking of G70 and WLL stamped on the chain for traceability and compliance
- 3:1 breaking strength to working load limit ratio as standard unless otherwise specified
Specifications
Chain Extension with Pear Link Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Material | Grade 70 heat-treated carbon steel |
|---|---|
| Finish | Yellow chromate plated |
| Length | 18.5 inches standard |
| Working Load Limit | 5,400 lbs |
| Breaking Strength | 16,200 lbs |
| Chain Size | 3/8" standard, customizable |
| Link Type | Pear link with eye grab hook |
| Marking | G70 and WLL stamped on chain |
Materials
Materials And Finishes
- Grade 70 heat-treated carbon steel for high tensile strength and fatigue resistance
- Yellow chromate plating to inhibit rust and oxidation in humid or wet conditions
- Forged eye grab hook with hardened pin for durability under repeated loading
- Pear-shaped link forged from same high-strength steel to match chain strength
Manufacturing Process
How This Product Is Made
1Forging of chain links and grab hook from Grade 70 steel billet
2Heat treatment to achieve required hardness and tensile strength
3Machining of the pear link shape and grab hook eye for precise fit
4Assembly of the pear link, chain, and grab hook into a single unit
5Surface treatment with yellow chromate plating for corrosion resistance
6Stamping of G70 and WLL on the chain for traceability
7Proof load testing and final inspection before packing
Quality Control
Quality Control On Every Batch
- Proof load test on production batches at the rated load
- Dimensional tolerance check on the pear link and grab hook dimensions
- Breaking strength validation to confirm 16,200 lbs minimum
- Visual inspection for surface defects, plating uniformity, and marking clarity
- Material Test Certificate to EN 10204 3.1 issued with the order on request
- Third-party inspection accepted at the Qingdao warehouse before shipment
Customisation
Customisation Options
- Custom chain length available upon request
- Custom chain size options beyond 3/8" based on drawing or specification
- Custom marking including private label or OEM branding
- Alternative surface finish available: zinc plating, powder coating, or electrophoretic black
- Custom packaging configuration for pallet or carton based on warehouse or retail needs
Compare
How It Compares With The Alternatives
An honest read on where this pattern wins and where another one would serve you better.
| Alternative | Honest Trade Off |
|---|---|
| Standard straight chain link | The pear link allows easier connection to hooks and reduces binding, but adds a slightly more complex forging step |
| Screw pin shackle | The grab hook allows faster adjustment than a screw pin, but a screw pin may offer higher resistance to accidental disengagement under shock load |
| Ratchet strap with chain end | This chain extension provides a more durable, reusable anchor than a strap end, but lacks the built-in tensioning mechanism |
| Snatch block with chain | The grab hook allows faster length adjustment than a block, but a snatch block offers greater mechanical advantage in winching |
Use Guide
How To Use And Inspect Chain Extension with Pear Link
- Verify the stamped G70 and WLL match the load requirement before use
- Ensure the grab hook is fully engaged and the eye is closed before applying tension
- Inspect the pear link and grab hook for deformation or wear after each use
- Do not exceed the 5,400 lbs working load limit under dynamic or shock loading
- Keep the chain dry and clean; reapply protective coating if plating is damaged
- Retire the assembly if the chain shows stretching, the grab hook is loose, or the marking is unreadable
Related Products
Often Ordered With This Item
Grade 70 Towing Chain with 15 Inch J Hook, T-Hook & Grab Hook
Grade 43 Trailer Safety Chain with Clevis Slip Hook
Grade 70 Trailer Safety Chain with Clevis Slip Hook, Heavy Duty Transport Towing Chain
G70 Chain Extension with Delta Ring and Eye Grab Hook - Car Hauler Tie-Down
Tow Chain V Bridle with Large Shank J Hooks and Grab Hooks WLL 4700 lbs
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V Towing Chain Bridle with 15 Inch and 4 Inch J Hooks, T Hooks - Grade 70 Chain - 47 Inches Long - 4,700 Pound Safe Working Load
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Guides Worth Reading Before You Order
Answers
Chain Extension with Pear Link FAQ
What is the working load limit and breaking strength?
The working load limit is 5,400 lbs and the breaking strength is 16,200 lbs, based on a 3:1 design factor.
Can I get a different chain length or size?
Yes. Standard size is 3/8", but custom lengths and sizes are available upon request.
Is the finish corrosion-resistant?
Yes. The yellow chromate plating provides enhanced durability in outdoor and wet environments.
What certifications are available?
A Material Test Certificate to EN 10204 3.1 is supplied on request with every order.
Can I have custom marking or branding?
Yes. Custom tonnage stamping, private label, and OEM marking are available as standard options.
How is it packed for export?
Standard cartons on pallets. Custom packing configurations are available to match your warehouse or retail pack.
Is this suitable for winching operations?
Yes. It is designed for heavy-duty towing and recovery applications, including winching, when used within the WLL rating.
Need A Quote On Chain Extension with Pear Link
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