G43 and G70 Hooks
Swivel Lifting Hook, Eye Hoist Hook Grade 70 322A
A drop-forged alloy steel swivel lifting hook with a spring-loaded latch and rotating upper link, designed to prevent wire rope or chain from twisting during lift. It maintains load alignment and reduces cable wrap in dynamic rigging. Sizes range from 0.75T to 30T safe working load, with a 5:1 design factor and powder coated or painted finish. Available in Grade 70 material with traceable WLL marking.
- Size
- From 0.5T to 30T Processing: Drop Forged / Quenched and Tempered
- Material
- Alloy steel
- Finish
- Powder Coated,Painted
- Packing
- Cartons then pack on pallets
- Catalogue Family
- G43 and G70 Hooks
- 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 Swivel Lifting Hook Gives You
- The swiveling upper link rotates freely to prevent wire rope or chain from twisting under load
- Spring-loaded latch secures the load and prevents accidental release during lifting
- Drop-forged alloy steel body with quench and temper heat treatment ensures high strength and impact resistance
- 5:1 design factor provides a safety margin between working load and breaking strength
- Powder coated or painted finish resists corrosion in industrial and marine environments
- Compact design reduces the need for additional alignment hardware in rigging setups
- Traceable WLL marking stamped on the hook body supports compliance and field tracking
Application Scenarios
Where Swivel Lifting Hook Is Used
- Lifting and moving heavy steel beams or structural sections where rope twist must be avoided
- Marine cargo handling where wire rope must remain untwisted during deck and crane operations
- Offshore rigging where continuous rotation prevents cable fatigue and kinking
- Industrial plant maintenance where lifting angles vary and load alignment is critical
- Construction site crane operations with long lifts and multiple directional changes
- Manufacturing lines using overhead hoists where consistent rope path is required
Who It Is For
Buyers This Product Is Built For
- Industrial rigging contractors specifying reliable lifting hardware for structural lifts
- Marine and offshore service providers handling cargo with wire rope systems
- Steel fabrication shops needing consistent load alignment during material handling
- Cranes and hoist integrators building lifting systems with minimal cable twist
- Logistics and transport companies managing heavy cargo with overhead lifting equipment
Problems It Solves
Problems This Product Removes
- Wire rope or chain twisting during lift due to fixed hook orientation
- Accidental load release from a hook without a latch mechanism
- Cable fatigue and premature failure from repeated twisting under load
- Misalignment of heavy loads during crane or hoist operations
- Need to use additional swivel fittings or redirecting hardware to prevent twist
- Lack of traceability in the field due to missing or unclear WLL markings
Technical Features
Technical Features
- Drop-forged alloy steel body with quench and temper heat treatment
- Free-rotating swivel upper link with precision bearing fit
- Spring-loaded latch mechanism to secure the load
- 5:1 design factor with minimum breaking load at five times the safe working load
- WLL and traceability marking stamped on the hook body
- Powder coated or painted surface finish for corrosion resistance
- Standard dimensions and tolerances per the provided size table
Specifications
Swivel Lifting Hook Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Capacity Range | 0.75T to 30T safe working load |
|---|---|
| Material | Alloy steel Grade 70 |
| Design Factor | 5:1 minimum breaking load to safe working load |
| Surface Finish | Powder coated or painted |
| 0.75T Dimensions | t 0.75 A 3.375 E 31.5 B 17 H 9 K 110 L 137 M 15 mm weight 0.3 kg |
| 1T Dimensions | t 1 A 4.5 E 32 B 17 H 9 K 108.3 L 137 M 16 mm weight 0.34 kg |
| 1.5T Dimensions | t 1.5 A 6.75 E 37.5 B 22.5 H 12 K 133.5 L 163.5 M 16 mm weight 0.57 kg |
| 2T Dimensions | t 2 A 9 E 42.5 B 26 H 15.8 K 150.5 L 192 M 17.5 mm weight 1.02 kg |
| 3T Dimensions | t 3 A 13.5 E 42.5 B 26 H 15.8 K 163 L 209 M 23 mm weight 1.24 kg |
| 5T Dimensions | t 5 A 22.5 E 48 B 32.5 H 18 K 191 L 246 M 31 mm weight 2.25 kg |
| 7T Dimensions | t 7 A 31.5 E 64 B 43 H 25 K 243.5 L 313 M 34 mm weight 4.66 kg |
| 11T Dimensions | t 11 A 49.5 E 70 B 49.5 H 28.5 K 277 L 364 M 41.5 mm weight 7.4 kg |
| 15T Dimensions | t 15 A 67.5 E 79 B 54.5 H 32 K 332 L 431 M 55.7 mm weight 10.6 kg |
| 22T Dimensions | t 22 A 99 E 105 B 81 H 40 K 427 L 543 M 70 mm weight 21.4 kg |
| 30T Dimensions | t 30 A 135 E 105 B 100 H 96 K 465.3 L 596 M 76.2 mm weight 32 kg |
Full size table on request. The catalogue publishes a full dimension and capacity table for this item. Ask on WhatsApp or by email and we will send it as a PDF.
Materials
Materials And Finishes
- Alloy steel Grade 70 drop forged then quenched and tempered for high strength and toughness
- Spring-loaded latch made from hardened steel for repeated use and secure engagement
- Powder coat or paint finish applied over the forged body to resist rust and abrasion
- Bearing components in the swivel joint selected for low friction and long service life
Manufacturing Process
How This Product Is Made
1Drop forging of the hook and swivel body blanks
2Quench and temper heat treatment to achieve required hardness and strength
3Machining of the hook bore, swivel pin hole, and latch mechanism
4Assembly of the swivel joint with precision bearings
5Installation of the spring-loaded latch and functional check
6Surface finishing by powder coating or painting
7WLL and traceability marking stamped on the body
8Proof load testing and dimensional verification before packing
Quality Control
Quality Control On Every Batch
- Proof load test on production batches before release
- Dimensional tolerance check against the published size table
- Breaking strength validation to confirm the 5:1 design factor
- Swivel rotation check for free movement and no binding
- 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 tonnage stamping on the hook body
- Private label and OEM marking available
- Finish to order in powder coating, painting, or zinc plating
- 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 |
|---|---|
| Fixed lifting hook | The swivel version prevents rope twist and load misalignment but adds a moving part that requires inspection |
| Lift hook with screw pin | The spring-loaded latch is more secure than a screw pin and does not require a cotter pin or torque check |
| Eye hook without swivel | The swivel allows rotation during lift, reducing cable wrap and fatigue, but has higher maintenance needs |
| Chain hook with swivel | This hook is designed for wire rope; a chain-specific swivel may have different load distribution and wear patterns |
Use Guide
How To Use And Inspect Swivel Lifting Hook
- Match the stamped WLL to the calculated load, not the hoist rating
- Ensure the spring-loaded latch is fully engaged before lifting
- Inspect the swivel joint for free rotation and absence of grit or binding before each use
- Avoid side loading the hook; keep the pull aligned with the hook axis
- Retire the hook if the body shows deformation, the latch fails to close, or the marking is illegible
- Clean and inspect the swivel mechanism regularly, especially after exposure to salt or abrasive environments
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Often Ordered With This Item
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Grade 70 Bolt-On Grab Hook with Backer Plate
5/16 G70 Mini J Hook | Compact Frame J Hook
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Clevis Grab Hook with Safety Latch A330N Grade 70
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Eye J Hook 15" Towing Long Shank Hook,Grade 70 Forged Steel WLL 4700LBS
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Answers
Swivel Lifting Hook FAQ
What is the safety factor on these swivel hooks?
A standard 5:1 design factor, so the minimum breaking load is five times the stated safe working load.
Can the latch be replaced or repaired?
Yes. The spring-loaded latch is a replaceable component. Spare parts are available upon request.
Is the WLL stamped on the hook body?
Yes. The safe working load and traceability marking are permanently stamped on the hook body.
What certificates are provided with the order?
A Material Test Certificate to EN 10204 3.1 is supplied on request. Every batch is proof load tested with dimensional and breaking strength checks recorded.
Can you custom stamp a different tonnage or add our brand?
Yes. Custom tonnage stamping, private label marking, and OEM packing are standard options.
How are the hooks packed for export?
Cartons on pallets as standard. We can configure carton count and pallet pattern to suit your warehouse or retail pack. Goods can be held in our Qingdao warehouse free for two months.
What sizes are available?
The range runs from 0.75T to 30T safe working load. The size table on this page gives the t, A, E, B, H, K, L, M dimensions and unit weight for each capacity.
Need A Quote On Swivel Lifting Hook
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.