G43 and G70 Hooks
Eye Hoist Hook With Latch 320A
A forged alloy steel eye hoist hook with a latch mechanism designed to retain slings and rigging attachments during lifting. The hook has an eye-shaped end for secure connection to chains, slings, or wire rope. It is rated for use from 3/4T to 15T safe working load, with a 5:1 safety factor and a quenched and tempered finish. Available in powder coated or electric galvanized surface treatment.
- Size
- From 3/4T to 15T
- Material
- Alloy Steel
- Finish
- Powder Coated / Electric Galvanized
- Packing
- Cartons or Gunny Bags and then 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 Eye Hoist Hook with Latch 320A Gives You
- The eye end allows direct attachment to slings, chains, or wire rope without additional fittings
- Latch mechanism prevents accidental disengagement of the sling during lifting operations
- 5:1 safety factor ensures a minimum breaking load five times the stated working load
- Forged and quenched tempered alloy steel provides high impact resistance and fatigue strength
- Powder coated or electric galvanized finish resists corrosion in humid and outdoor environments
- Standardized dimensions across sizes allow for consistent rigging setup and interchangeability
- Latching feature reduces the risk of sling slippage during dynamic or uneven load handling
Application Scenarios
Where Eye Hoist Hook with Latch 320A Is Used
- Material handling in steel plants where hooks are used to lift and transfer heavy billets or coils
- Construction site operations involving lifting steel beams, precast panels, or structural components
- Manufacturing facilities using overhead cranes to move large machinery parts or tooling
- Shipping and port terminals for securing and moving cargo containers and heavy pallets
- Maintenance work on cranes, conveyors, or industrial equipment where rigging must be quickly assembled and removed
Who It Is For
Buyers This Product Is Built For
- Industrial rigging contractors sourcing consistent, certified lifting hardware for multi-project use
- Manufacturers requiring reliable hooks for in-house crane and lifting systems
- Logistics and freight companies managing cargo handling with standardized rigging components
- Construction firms specifying durable, traceable lifting gear for site safety compliance
- Rigging distributors building a catalogue of standard hooks with consistent performance and finish
Problems It Solves
Problems This Product Removes
- Accidental sling disengagement during lift due to lack of retention mechanism on standard hooks
- Inconsistent safety margins when using hooks with unknown or unverified safety factors
- Corrosion damage in humid or marine environments due to inadequate surface protection
- Need to source hooks from multiple suppliers for different tonnage and finish requirements
- Lack of traceability in the field when a hook fails or requires inspection
- Inability to verify material integrity or heat treatment quality without documentation
Technical Features
Technical Features
- Forged alloy steel body with quench and temper heat treatment for strength and toughness
- Eye-shaped end for direct attachment to slings, chains, or wire rope
- Latching mechanism designed to retain rigging attachments, not support the load
- 5:1 safety factor with minimum breaking load five times the safe working load
- Powder coated or electric galvanized surface finish for corrosion resistance
- Working load limit and grade stamped on the hook body for traceability
- Standardized dimensions across sizes to ensure compatibility with existing rigging systems
Specifications
Eye Hoist Hook with Latch 320A Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Capacity Range | 3/4T to 15T safe working load |
|---|---|
| Material | Forged alloy steel quenched and tempered |
| Safety Factor | 5:1 minimum breaking load to safe working load |
| Processing | Forged quenched and tempered |
| Surface Finish | Powder coated or electric galvanized |
| 3/4T Dimensions | B 0.75 in R 0.88 in O 0.81 in T 0.57 lbs weight |
| 1T Dimensions | B 0.91 in R 0.97 in O 0.81 in T 0.77 lbs weight |
| 2T Dimensions | B 1.25 in R 1.12 in O 1.19 in T 1.73 lbs weight |
| 3T Dimensions | B 1.56 in R 1.34 in O 1.38 in T 3.66 lbs weight |
| 7.5T Dimensions | B 2.44 in R 2.06 in O 2.12 in T 13.17 lbs weight |
| 10T Dimensions | B 2.83 in R 2.22 in O 2.72 in T 22.15 lbs weight |
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 forged into shape and then quenched and tempered for high strength and impact resistance
- Powder coat or electric galvanizing applied over the forged body to resist rust and wear
- Latching mechanism made from hardened steel to withstand repeated engagement and disengagement
- No plastic or non-metallic components used in load-bearing or structural parts
Manufacturing Process
How This Product Is Made
1Raw alloy steel billets heated and forged into hook blanks
2Quench and temper heat treatment to achieve required hardness and toughness
3Machining of the eye, hook throat, and latch mechanism
4Surface treatment by powder coating or electric galvanizing
5Stamping of working load limit and grade on the body
6Proof load testing and dimensional inspection before packing
Quality Control
Quality Control On Every Batch
- Proof load test performed on each production batch before release
- Dimensional tolerance checked against published size table
- Breaking strength validation to confirm 5:1 safety factor
- Material Test Certificate to EN 10204 3.1 issued with the order on request
- Latching mechanism tested for free movement and secure closure
- Third-party inspection accepted at the Qingdao warehouse before shipment
Documentation
Certification And Documentation Supplied
- Material Test Certificate to EN 10204 3.1 supplied on request
- Working load limit and grade stamped on the hook body
Customisation
Customisation Options
- Custom tonnage stamping on the hook body
- Private label and OEM marking available
- Surface finish to order in powder coated or electric galvanized
- Custom sizes and configurations built to a supplied drawing
- Packing configuration adjusted for carton count and pallet pattern
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 open hook without latch | The latch prevents accidental sling disengagement but adds a moving part that requires inspection for wear or binding |
| Screw pin hook | The latch is simpler to operate and does not require a pin to be tightened, but a screw pin offers more secure locking under continuous vibration |
| Screw pin with nut and cotter | The latch is faster to engage and disengage but cannot be used in applications where the pin must be secured against vibration |
| Eye hook with welded pin | The forged and heat-treated body provides higher strength and impact resistance than a welded pin version |
Use Guide
How To Use And Inspect Eye Hoist Hook with Latch 320A
- Never exceed the stamped working load limit on the hook body
- Use the latch only to retain the sling, not to support the load during lifting
- Inspect the latch mechanism before each use for free movement, wear, or deformation
- Ensure the hook throat is not opened beyond the rated capacity during use
- Do not use the hook if the body shows cracks, deformation, or if the latch does not close securely
- Retire the hook if the marking is no longer legible or if the finish is severely damaged
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Answers
Eye Hoist Hook with Latch 320A FAQ
Can the latch support the full load?
No. The latch is designed only to retain the sling or rigging attachment. It must not be used to carry the load.
What safety factor does this hook have?
A standard 5:1 safety factor, so the minimum breaking load is five times the stated safe working load.
What certificates come 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 our brand and tonnage?
Yes. Custom tonnage stamping, private label marking, and OEM packing are standard options.
What surface finishes are available?
Powder coated or electric galvanized. Custom finishes are available on request.
How are the hooks packed for export?
Cartons or gunny bags on pallets. We can configure the carton count and pallet pattern to suit your warehouse or retail pack.
What sizes are available?
The range runs from 3/4T to 15T safe working load. The size table on this page gives the B, R, O, and weight for each capacity.
Need A Quote On Eye Hoist Hook with Latch 320A
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.