Tie Down Hardware
HOOK WITH KEEPER
A lashing hook with a built-in keeper to prevent accidental disengagement during tensioning. Available in two sizes: 3 inch with a 10,000 kg / 22,000 lb working load limit and 1.5 inch with a 3,000 kg / 6,600 lb working load limit. Made from drop-forged alloy steel, it is designed for use in ratchet strap and tie-down systems where secure retention under dynamic load is required.
- Size
- 3"HOOK WITH KEEPER BS:10000KG/22000LBS 1.5"HOOK WITH KEEPER BS:3000KG/6600LBS
- 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 Hook with Keeper Gives You
- The integrated keeper prevents the hook from opening under load, reducing the risk of load release during transport
- Drop-forged alloy steel construction provides high impact resistance and durability in heavy-duty applications
- Clear working load limit marking on the body ensures traceability and safe operation
- Standard 4:1 design factor ensures minimum breaking load is four times the safe working load
- Compatible with ratchet straps and tie-down systems using double J hooks or similar fittings
- Reduces the need for additional safety clips or secondary locking devices in standard setups
Application Scenarios
Where Hook with Keeper Is Used
- Securing heavy machinery and industrial equipment on flatbed trailers during long-haul transport
- Tightening cargo on shipping containers using ratchet tie-downs with double J hooks
- Stabilizing loads on construction site transport vehicles where vibration and movement are constant
- Securing steel coils, pipes, and structural beams during transit on open or enclosed trailers
- Mounting and tensioning load restraints on trucks and trailers used in mining and energy sectors
Who It Is For
Buyers This Product Is Built For
- Logistics and freight operators specifying reliable tie-down hardware for commercial transport
- Manufacturers of ratchet straps and tie-down kits integrating secure hooks into their systems
- Industrial contractors managing cargo stability on site and in transit
- Marine and offshore transport teams handling heavy equipment with high vibration exposure
- Procurement engineers sourcing standardized, traceable rigging hardware with consistent safety margins
Problems It Solves
Problems This Product Removes
- Accidental hook disengagement during load tensioning due to vibration or shock
- Need to add extra safety clips or locking mechanisms to prevent hook opening
- Inconsistent load limits or unclear marking on generic hooks leading to misuse
- Lack of traceability in the field when a hook fails or requires inspection
- Buying hooks and separate keepers from different suppliers, increasing complexity and risk
Technical Features
Technical Features
- Drop-forged alloy steel body with quench and temper heat treatment
- Integrated keeper to prevent accidental opening under load
- Standard 4:1 design factor with minimum breaking load four times the safe working load
- Working load limit and material grade stamped on the hook body
- Smooth, rounded throat for even load distribution and reduced rope or strap wear
- Designed for use with ratchet straps and double J hooks in standard tie-down systems
- Available in two sizes: 3 inch (10,000 kg / 22,000 lb) and 1.5 inch (3,000 kg / 6,600 lb)
Specifications
Hook with Keeper Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Material | Drop forged alloy steel quenched and tempered |
|---|---|
| Surface Finish | Standard finish, custom finishes available on request |
| Working Load Limit Marking | Stamped on body for traceability |
Materials
Materials And Finishes
- Drop-forged alloy steel body with quench and temper heat treatment for high strength and impact resistance
- Smooth, rounded throat to reduce stress concentration and wear on straps or ropes
- Standard finish unless otherwise specified; custom finishes available including zinc plating and powder coating
- Keeper made from the same alloy steel as the hook body for consistent strength and durability
Manufacturing Process
How This Product Is Made
1Drop forging of the hook blank from alloy steel billet
2Quench and temper heat treatment to achieve required mechanical properties
3Machining of the throat, keeper, and attachment points
4Assembly of the keeper and verification of free movement and retention
5Stamping of working load limit and material grade on the body
6Proof load testing and dimensional inspection before packing
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
- Visual inspection of the keeper function and throat integrity
- Material Test Certificate to EN 10204 3.1 issued with every order
- Third-party inspection accepted at the Qingdao warehouse before shipment
Customisation
Customisation Options
- Custom tonnage stamping on the hook body
- Private label and OEM marking available
- Custom surface finish including zinc plating, powder coating, or electrophoretic black
- Custom size and configuration built to a supplied drawing
- Packing carton and pallet configuration tailored to buyer’s 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 hook without keeper | The keeper prevents accidental disengagement under dynamic load, reducing risk during transport but adds minor weight and complexity |
| Separate safety clip | The built-in keeper eliminates the need for an extra component, reducing part count and potential loss, but may not be suitable for all hook orientations |
| Screw pin hook | The keeper provides passive retention without requiring manual tightening, unlike a screw pin which can loosen under vibration |
| Soft hook | Steel construction resists abrasion and deformation under heavy load, while a soft hook is lighter but prone to damage in industrial environments |
Use Guide
How To Use And Inspect Hook with Keeper
- Match the stamped working load limit to the actual line load, not the ratchet strap rating
- Ensure the keeper is fully engaged and the hook is closed before tensioning
- Inspect the keeper and throat for deformation or wear before each use
- Do not use if the marking is illegible or the hook shows signs of bending
- Avoid side loading the hook; keep the pull aligned with the throat axis
- Retire the hook if the keeper fails to hold or the body shows permanent deformation
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Answers
Hook with Keeper FAQ
What is the working load limit for the 3 inch hook?
The 3 inch hook has a working load limit of 10,000 kg / 22,000 lb with a 4:1 design factor.
Is the keeper effective under vibration?
Yes. The built-in keeper is designed to stay closed under dynamic load and vibration, preventing accidental disengagement.
Can I get a Material Test Certificate?
Yes. A Material Test Certificate to EN 10204 3.1 is supplied with every order upon request.
What finishes are available?
Standard finish is available. Custom finishes include zinc plating, powder coating, and electrophoretic black on request.
Can you custom stamp my company name or tonnage?
Yes. Custom tonnage stamping, private label marking, and OEM branding are standard options.
How are the hooks packed for export?
Standard carton on pallet packing. We can configure carton count and pallet pattern to match your warehouse or retail pack.
What is the design factor?
A standard 4:1 design factor is used, meaning the minimum breaking load is four times the stated safe working load.
Need A Quote On Hook with Keeper
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.