Links and Rings
G-401 Regular Chain Swivel Eye and Eye
A drop-forged carbon steel swivel link with eye ends, designed to connect anchor chain sections and prevent twisting or kinking during deployment and retrieval. Available from 1/4" to 1 1/2" in size, it features a 5:1 safety factor and hot dip galvanized finish for corrosion resistance. Used between the anchor and chain cable to maintain alignment and reduce fatigue on the line.
- Size
- From 1/4" to 1 1/2" Processing: Drop Forged,Welded, Heat Treated
- Material
- Carbon Steel
- Finish
- Hot Dip Galvanized Safty Factor: 5:1
- Packing
- Cartons then pack on pallets
- Catalogue Family
- Links and Rings
- 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 G-401 Regular Chain Swivel Eye and Eye Gives You
- Prevents chain twisting and kinking by allowing free rotation at the connection point
- Reduces fatigue and wear on the anchor chain from repeated directional changes
- 5:1 safety factor ensures reliable performance under dynamic load conditions
- Hot dip galvanized finish resists rust and corrosion in marine and outdoor environments
- Drop-forged construction provides high impact strength and fatigue resistance
- Eye-to-eye design allows direct integration into standard chain systems without additional fittings
- Smooth swivel action maintains chain alignment during anchor recovery and lowering
Application Scenarios
Where G-401 Regular Chain Swivel Eye and Eye Is Used
- Marine anchor systems where chain rotation causes twisting and snagging during anchor lift
- Offshore mooring setups where chain movement under tension requires rotational freedom
- Boat and vessel maintenance operations involving repeated anchor deployment and retrieval
- Dockside and port operations where chain handling must be smooth and snag-free
- Heavy-duty lifting and rigging applications where chain alignment affects load stability
- Industrial winching systems using chain where rotational stress could damage the line
Who It Is For
Buyers This Product Is Built For
- Marine equipment suppliers building anchor and mooring kits
- Boat and yacht manufacturers specifying chain connection hardware
- Marine repair yards replacing worn or damaged swivel links
- Rigging contractors handling marine or offshore lifting operations
- Fleet operators maintaining anchor systems on commercial vessels
- Industrial users with chain-based lifting systems needing anti-twist fittings
Problems It Solves
Problems This Product Removes
- Chain twisting and kinking during anchor retrieval due to lack of rotational freedom
- Premature chain wear from repeated stress at fixed connection points
- Difficulty in handling heavy chain sections when they bind or tangle
- Reduced chain life from fatigue caused by misaligned or rigid connections
- Need for multiple fittings to manage chain rotation when a single swivel would suffice
- Corrosion damage on uncoated chain links in saltwater or humid environments
Technical Features
Technical Features
- Drop-forged carbon steel construction for high strength and impact resistance
- Free-rotating swivel mechanism with precision-machined bearing surfaces
- Eye-to-eye design with matching inner and outer diameters for seamless chain integration
- 5:1 safety factor based on minimum breaking load to working load limit
- Hot dip galvanized finish for long-term corrosion protection in marine and outdoor use
- Stamped working load limit and material grade on the body for traceability
- Heat-treated after forging to improve mechanical properties and durability
Specifications
G-401 Regular Chain Swivel Eye and Eye Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Capacity Range | 850 lbs to 7200 lbs safe working load |
|---|---|
| Material | Carbon steel drop forged and heat treated |
| Safety Factor | 5:1 minimum breaking load to safe working load |
| Finish | Hot dip galvanized |
| Processing | Drop forged welded heat treated |
| Size Range | 1/4″ to 1 1/2″ diameter |
| 1/4″ Dimensions | A 1.25 B 0.69 C 0.75 D 0.62 E 1.12 G 0.25 J 0.69 M 0.31 R 2.25 U 1.69 V 1.25 in |
| 1/2″ Dimensions | A 2.5 B 1.31 C 1.5 D 1.25 E 2.25 G 0.5 J 1.31 M 0.63 R 4.25 U 3.19 V 2.44 in |
| 3/4″ Dimensions | A 3.5 B 1.75 C 2 D 1.75 E 3.25 G 0.75 J 1.88 M 0.88 R 5.78 U 4.94 V 3.46 in |
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
- Carbon steel blank drop forged for high tensile strength and impact resistance
- Heat-treated after forging to enhance hardness and fatigue life
- Hot dip galvanized coating applied after assembly for uniform corrosion protection
- Precision-machined swivel bearing surfaces to ensure smooth rotation
- Stainless steel components used in critical fasteners where applicable
Manufacturing Process
How This Product Is Made
1Drop forging of the carbon steel blank to shape
2Heat treatment to improve mechanical properties and dimensional stability
3Machining of eye ends and swivel bore to precise tolerances
4Assembly of the swivel mechanism with rotating pin and bearing surfaces
5Hot dip galvanizing of the complete unit for corrosion resistance
6Proof load testing and final inspection before packing
7Stamping of working load limit and material grade on the body
Quality Control
Quality Control On Every Batch
- Proof load testing on production batches to verify 5:1 safety factor
- Dimensional tolerance check against published size table
- Breaking strength validation to confirm minimum breaking load
- Free rotation and end float check on the swivel mechanism
- 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 body for traceability
- Private label and OEM marking available
- Finish options including zinc plating powder coating or electrophoretic black
- Custom sizes and assemblies 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 |
|---|---|
| Rigid chain link | The swivel prevents chain twisting but adds a moving part that requires periodic inspection for wear |
| Screw pin shackle | The swivel offers continuous rotation and better fatigue resistance but is not suitable for high vibration environments without additional locking |
| Standard eye link | The swivel eliminates rotational stress on the chain but is heavier and more expensive than a basic link |
| Welded chain link | The drop-forged swivel has higher strength and impact resistance than a welded link, especially under dynamic loads |
Use Guide
How To Use And Inspect G-401 Regular Chain Swivel Eye and Eye
- Match the stamped working load limit to the calculated chain load, not the anchor or winch rating
- Ensure the swivel rotates freely by hand before each use and check for binding or grit
- Inspect the galvanized coating for damage and replace if corrosion is visible
- Do not exceed the rated working load under dynamic or shock loading conditions
- Avoid side loading the swivel; keep the chain pull aligned with the axis of rotation
- Retire the swivel if the body shows deformation, the swivel seizes, or the marking is unreadable
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Answers
G-401 Regular Chain Swivel Eye and Eye FAQ
What is the safety factor for the G-401 swivel?
A 5:1 safety factor is used, so the minimum breaking load is five times the stated safe working load.
Can this swivel be used in saltwater environments?
Yes. The hot dip galvanized finish provides corrosion resistance suitable for marine and outdoor use.
Is the swivel free-rotating?
Yes. The swivel mechanism is designed to rotate freely under load to prevent chain twisting.
Can you provide a Material Test Certificate?
Yes. A Material Test Certificate to EN 10204 3.1 is supplied with the order on request.
What sizes are available?
The G-401 is available from 1/4″ to 1 1/2″ in size, with corresponding working load limits from 850 lbs to 7200 lbs.
Can you custom stamp our brand or tonnage?
Yes. Custom tonnage stamping, private label marking, and OEM packaging are standard options.
How are the swivels packed for export?
Cartons on pallets as standard. We can configure the carton count and pallet pattern to suit your warehouse or retail pack. Goods can be held in our Qingdao warehouse free for two months for shipment consolidation.
Need A Quote On G-401 Regular Chain Swivel Eye and Eye
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.