Weldless Chains
SINGLE JACK CHAIN
A weldless chain made from thin wire with figure-eight-shaped links, Single Jack Chain is designed for light-duty hanging applications such as signs, fixtures, flower pots, and children's toys. It is available in carbon steel with zinc plating, copper plating, or polycoating finishes. The chain meets US type NACM standard and DIN 5686 knotting chain specifications. Not intended for overhead lifting. Working load limits must not be exceeded.
- Material
- Carbon steel Surface: zinc plated finish, Copper plated finish, Polycoated
- Type
- US type NACM Standard
- Catalogue Family
- Weldless Chains
- 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 Single Jack Chain Gives You
- Figure-eight link design resists deformation under light tension and prevents snagging in tight spaces
- Weldless construction eliminates weak points from welding, improving fatigue resistance in repetitive low-load use
- Available in zinc plated, copper plated, or polycoated finishes for corrosion resistance and visual appeal
- Compact and lightweight, ideal for indoor and outdoor decorative or utility hanging tasks
- Meets US type NACM standard and DIN 5686 knotted chain specifications for consistent fit and function
- No welding means no heat-affected zones, reducing the risk of stress cracking in repeated flexing
- Clear working load limit markings help prevent overloading in visible applications
Application Scenarios
Where Single Jack Chain Is Used
- Hanging decorative signs and banners in retail stores and showrooms
- Securing flower pots and garden ornaments on balconies and patios
- Supporting children’s toys and novelty items in display cases or play areas
- Connecting sash weights in double hung window systems
- Temporary rigging for light fixtures during construction or event setups
- Holding lightweight tools or equipment in workshops and storage areas
- Mounting small signage or labels in industrial or warehouse environments
Who It Is For
Buyers This Product Is Built For
- Retail and exhibition display builders needing lightweight, visually clean hanging solutions
- Architectural and interior designers specifying decorative chains for fixtures and signage
- Window manufacturers integrating chain systems into double hung sash mechanisms
- Event and stage production teams using temporary light-duty rigging
- Manufacturers of novelty items and garden decor requiring reliable, low-cost attachment chains
- Facility managers maintaining indoor and outdoor signage and fixtures
- Contractors installing light fixtures or temporary signage in new builds
Problems It Solves
Problems This Product Removes
- Replacing welded chains in light-duty applications where weld failure risks are unacceptable
- Avoiding the visual bulk and rigidity of traditional chain links in decorative or tight-space installations
- Eliminating the need for separate fasteners or clips when attaching light loads to a support point
- Providing a corrosion-resistant option for indoor and outdoor hanging where appearance matters
- Ensuring compliance with NACM and DIN 5686 standards for window sash and similar applications
- Preventing overloading in non-lifting applications where users may not understand load limits
- Reducing the risk of sharp edges or weld spatter in environments where safety and finish are critical
Technical Features
Technical Features
- Weldless construction with figure-eight-shaped links for consistent load distribution
- Made from carbon steel with surface finishes: zinc plated, copper plated, or polycoated
- Complies with US type NACM standard and DIN 5686 knotted chain specifications
- Working load limit stamped on the chain for field traceability
- No overhead lifting permitted — strictly for light utility and hanging use
- Available in multiple trade sizes with defined wire diameter, length per 100 links, and weight per 100 feet
- Break test load and working load limit provided for both steel and brass versions
Specifications
Single Jack Chain Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Material | Carbon steel |
|---|---|
| Surface Finish | Zinc plated, copper plated, or polycoated |
| Standard | US type NACM, DIN 5686 |
| Construction | Weldless, figure-eight links |
| Application | Light-duty hanging, signs, fixtures, window sash, novelties |
| Capacity Range | 5 lb to 66 lb working load limit |
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 wire used for strength and formability
- Zinc plating for corrosion resistance in indoor and mild outdoor environments
- Copper plating for aesthetic finish and moderate corrosion resistance
- Polycoating for added protection and color options in decorative applications
- No alloy additions — standard carbon steel for cost-effective light-duty use
Manufacturing Process
How This Product Is Made
1Wire drawing to precise diameter for each trade size
2Forming figure-eight links without welding using cold forming techniques
3Surface treatment: zinc plating, copper plating, or polycoating applied after forming
4Inspection for link shape, wire diameter, and finish uniformity
5Marking of working load limit on the chain body
6Packaging and labeling for export and distribution
Quality Control
Quality Control On Every Batch
- Dimensional checks on wire diameter and link geometry
- Visual inspection for surface defects, plating uniformity, and finish integrity
- Proof load test on sample batches to verify working load limit
- Breaking strength test conducted on production samples to confirm test load values
- Working load limit marking verified for legibility and placement
- Third-party inspection accepted at warehouse before shipment
Customisation
Customisation Options
- Custom tonnage stamping on the chain body
- Private label and OEM marking available
- Surface finish to order: zinc plated, copper plated, or polycoated
- Custom packaging configuration for carton and pallet
- Custom length or quantity per pack based on 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 |
|---|---|
| Welded chain | Weldless construction avoids weld failure points and is better for repeated flexing in light-duty use, but may have lower tensile strength than welded versions |
| Standard chain with round links | Figure-eight links resist deformation and reduce snagging in tight spaces, but are more complex to manufacture and cost more |
| Synthetic webbing | Steel chain offers better abrasion resistance and durability in high-wear environments, but is heavier and less flexible |
| Rope or cable | Chain provides fixed length and better load stability, but is less adaptable to variable distances and harder to adjust in the field |
Use Guide
How To Use And Inspect Single Jack Chain
- Never exceed the stamped working load limit — this chain is not for overhead lifting
- Inspect the chain before each use for signs of deformation, wear, or finish damage
- Use only in applications where the load is static or slowly changing — avoid dynamic or shock loading
- Ensure the figure-eight link is fully formed and not flattened or twisted
- Keep the chain away from sharp edges that could cut or damage the surface finish
- Do not use in high-temperature or corrosive environments beyond the limits of the coating
- Retire the chain if the working load limit marking is illegible or if the link shows visible deformation
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Answers
Single Jack Chain FAQ
Is this chain safe for overhead lifting?
No. Single Jack Chain is not rated for overhead lifting. It is for light-duty hanging only. Exceeding the working load limit can result in failure.
What finishes are available?
Available in zinc plated, copper plated, and polycoated finishes. Choose based on environment and appearance needs.
What standard does this chain follow?
It complies with US type NACM standard and DIN 5686 knotted chain specifications.
Can you custom stamp the working load limit or add a brand?
Yes. Custom tonnage stamping and private label or OEM marking are available on request.
How is the chain tested before shipment?
Each batch undergoes proof load testing and breaking strength validation. Dimensional checks and visual inspection are performed on all units.
What is the difference between steel and brass versions?
Steel versions have higher strength and load capacity. Brass versions are lighter and more corrosion-resistant but have lower working and break test loads.
Can I get custom packaging or length?
Yes. We can configure carton count, pallet pattern, and custom lengths based on your warehouse or retail requirements.
Need A Quote On Single Jack Chain
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.