Tie Down Hardware
2 "DOUBLE J HOOK WITH TUBE
A double J hook with a central tube, designed for use in ratchet tie-down systems. It features a 2-inch body size and a 5000kg (11000lbs) breaking strength, suitable for securing heavy loads during transport. The tube provides a stable anchor point for the ratchet strap webbing, reducing wear and improving load distribution. Available in zinc plating or powder coating finish, it is drop forged from alloy steel and meets international rigging standards.
- Size
- 2" BS:5000KG/11000LBS
- Catalogue Family
- Tie Down Hardware
- 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 2 "double J Hook with Tube Gives You
- The central tube allows the ratchet strap to pass through and lock securely, preventing slippage under dynamic load
- Drop-forged alloy steel construction resists deformation under repeated tension and shock loading
- 2-inch body size provides a robust connection point for high-tension tie-down applications
- 5000kg breaking strength ensures reliable performance in heavy-duty transport and logistics
- Zinc plating or powder coating finish resists corrosion in outdoor and marine environments
- Standard 4:1 design factor ensures safety margin between working load and breaking load
- Compact design reduces bulk in tie-down kits while maintaining high strength
Application Scenarios
Where 2 "double J Hook with Tube Is Used
- Securing heavy machinery and industrial equipment on flatbed trailers during long-haul transport
- Stabilizing steel coils and large metal components on shipping containers and railcars
- Tying down construction materials such as beams and precast panels on delivery trucks
- Marine cargo handling where tie-downs are exposed to salt spray and humidity
- Recovery and towing operations where ratchet straps are used to secure loads on off-road vehicles
Who It Is For
Buyers This Product Is Built For
- Logistics and freight companies sourcing tie-down hardware for fleet-wide equipment
- Truck and trailer operators requiring durable, certified tie-down fittings
- Manufacturers shipping heavy components to overseas markets
- Marine cargo handlers managing offshore and port logistics
- Rigging distributors building a complete tie-down hardware range
Problems It Solves
Problems This Product Removes
- Load shifting during transit caused by loose or slipping ratchet straps
- Premature failure of tie-down hardware due to weak or poorly designed hook connections
- Corrosion damage in outdoor or marine environments from uncoated steel fittings
- Inconsistent load distribution when using standard hooks without a central tube
- Need to source multiple components from different suppliers for a complete tie-down system
- Lack of traceability and certification for safety-critical rigging hardware
Technical Features
Technical Features
- Drop-forged alloy steel body with heat treatment for impact resistance
- Central tube for secure passage and locking of ratchet strap webbing
- 2-inch body size with 5000kg (11000lbs) breaking strength
- Standard 4:1 design factor with minimum breaking load four times the safe working load
- Zinc plated or powder coated finish for corrosion resistance
- Working load limit and traceability marking stamped on the body
- Complies with EN 1492-1 and EN 1492-2, ASME B30.26, DIN 741, DIN 1480, and Grade 80 standards
Specifications
2 "double J Hook with Tube Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Capacity Range | 5000kg (11000lbs) breaking strength |
|---|---|
| Body Size | 2 inches |
| Material | Drop forged alloy steel quenched and tempered |
| Surface Finish | Zinc plated or powder coated |
| WLL Marking | Stamped on body for traceability |
Materials
Materials And Finishes
- Alloy steel body drop forged and quenched and tempered for high strength and impact resistance
- Zinc plating for corrosion protection in humid and outdoor environments
- Powder coating for enhanced durability and aesthetic finish
- Stainless steel components used where applicable for long-term reliability
Manufacturing Process
How This Product Is Made
1Drop forging of the hook and tube blanks
2Quench and temper heat treatment to achieve required hardness and strength
3Machining of the central tube bore and hook opening
4Surface finishing by zinc plating or powder coating
5Stamping of working load limit and traceability marks
6Proof load testing and dimensional inspection
7Packing and preparation for export
Quality Control
Quality Control On Every Batch
- Proof load testing on production batches before release
- Dimensional tolerance check against published size table
- Breaking strength validation to confirm 4:1 design factor
- Material Test Certificate to EN 10204 3.1 issued with the order
- Third-party inspection accepted at the China warehouse before shipment
- Visual inspection for surface defects, coating integrity, and marking legibility
Customisation
Customisation Options
- Custom tonnage stamping on the body
- Private label and OEM marking available
- Finish options: zinc plating, powder coating, or electrophoretic black
- Custom sizes and assemblies built to a supplied drawing
- Carton and pallet packing configured for your warehouse or retail pack
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 J hook without tube | The tube provides a stable anchor point for the ratchet strap, reducing webbing wear and preventing slippage under load |
| Single J hook | The double J design offers greater stability and load distribution, especially under side loading or dynamic tension |
| Screw pin hook | The fixed tube design eliminates the risk of pin loosening under vibration, unlike screw pin hooks that require regular inspection |
| Soft shackle | Steel construction resists abrasion and cutting from sharp edges, while soft shackles are lighter but degrade faster under rough handling |
Use Guide
How To Use And Inspect 2 "double J Hook with Tube
- Match the stamped working load limit to the calculated line load, not the ratchet winch rating
- Ensure the ratchet strap webbing passes through the central tube and is fully engaged
- Inspect the hook for deformation, coating damage, or marking wear before each use
- Do not exceed the 5000kg breaking strength under any condition
- Keep the load aligned with the hook axis to avoid side loading
- Retire the hook if the body shows visible deformation, the tube is cracked, or the marking is unreadable
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Answers
2 "double J Hook with Tube FAQ
What is the breaking strength of this double J hook?
The breaking strength is 5000kg (11000lbs), with a standard 4:1 design factor.
Is this hook suitable for ratchet tie-down straps?
Yes, the central tube is specifically designed to accommodate and secure ratchet strap webbing.
What standards does this product meet?
It complies with EN 1492-1, EN 1492-2, ASME B30.26, DIN 741, DIN 1480, and Grade 80 material standards.
Can you supply a Material Test Certificate?
Yes, a Material Test Certificate to EN 10204 3.1 is supplied on request with every order.
What finishes are available?
Standard finishes are zinc plated or powder coated. Custom finishes including electrophoretic black are available.
Can you stamp our company name or custom tonnage?
Yes, custom tonnage stamping, private label marking, and OEM branding are standard options.
How are the hooks packed for export?
They are packed in cartons on pallets. We can configure the carton count and pallet pattern to match your warehouse or retail requirements. Free warehouse storage in Qingdao is available for up to two months.
Need A Quote On 2 "double J Hook with Tube
Send the sizes, the finish and the quantity on WhatsApp or by email. You get a priced reply within 24 hours and a straight answer on stock.
We reply within 24 hours on WhatsApp or by email. Send a drawing, a photo or a bill of materials and we will quote it as it stands.