Turnbuckles
Eye Eye Turnbuckle JIS Frame Type Open Body
A drop-forged carbon steel eye eye turnbuckle with JIS frame open body design, used to adjust tension in chains, wire ropes, and rigging systems. The open body allows for easy visual inspection and access during installation. Available in sizes from 6mm to 50mm, with electric galvanized surface finish for corrosion resistance. Designed for use in construction, marine, and industrial rigging applications where tension control and durability are required.
- Size
- 6mm-50mm
- Material
- Carbon Steel
- Type
- JIS Frame Process: Drop Forged Surface: Electric Galvanized
- Packing
- Cartons or Gunny Bags and then on Pallets
- Catalogue Family
- Turnbuckles
- 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 Eye Turnbuckle JIS Frame Type Open Body Gives You
- Open body design allows full visual inspection of threads and internal components during installation and service
- Drop-forged carbon steel construction provides high strength and impact resistance for heavy-duty rigging
- Electric galvanized finish resists rust and corrosion in outdoor and humid environments
- Eye ends at both ends allow connection via pins, bolts, or other fasteners to anchors or rigging components
- Adjustable tensioning capability enables precise alignment and load balancing in cable and chain systems
- JIS frame type meets Japanese Industrial Standard for rigging components, ensuring dimensional consistency and compatibility
- Compact design reduces space required in tight rigging setups compared to bulkier alternatives
Application Scenarios
Where Eye Eye Turnbuckle JIS Frame Type Open Body Is Used
- Tensioning wire rope systems in construction scaffolding and temporary structures
- Adjusting shroud and stay lines on marine vessels and offshore platforms
- Balancing cable tension in temporary stage rigging and entertainment systems
- Securing and aligning chain slings in lifting operations with fixed anchor points
- Tightening overhead cable systems in utility and infrastructure projects
- Maintaining tension in tensioned canopies and temporary shelters at event sites
Who It Is For
Buyers This Product Is Built For
- Construction site supervisors managing cable-supported structures and temporary rigging
- Marine rigging teams adjusting stays and shrouds on ships and offshore rigs
- Event and stage production crews setting up tensioned cable systems for lighting and rigging
- Industrial maintenance teams maintaining chain and wire rope tension in machinery
- Rigging contractors sourcing standardized turnbuckles for multi-component rigging bills
- Logistics and transport operators securing cargo with adjustable tension systems
Problems It Solves
Problems This Product Removes
- Inconsistent tension in chains or wire ropes due to lack of adjustable fittings
- Difficulty inspecting internal threads in closed-body turnbuckles during installation
- Corrosion damage in outdoor or marine environments due to inadequate surface protection
- Need to source turnbuckles with different end types from multiple suppliers
- Inability to adjust tension without disassembling the entire rigging system
- Lack of standardized dimensions across turnbuckle models leading to fit issues
Technical Features
Technical Features
- Drop-forged carbon steel body with open JIS frame design
- Eye ends at both ends for connection via pins or bolts
- Adjustable threaded rod with right-hand and left-hand threads for tensioning
- Electric galvanized surface finish for corrosion resistance
- Standard 4:1 design factor applied unless otherwise stated
- Working load limit stamped on the body for traceability
- Threaded rod size ranges from 6mm to 50mm in diameter
Specifications
Eye Eye Turnbuckle JIS Frame Type Open Body Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Material | Carbon steel |
|---|---|
| Type | JIS Frame Open Body |
| Process | Drop Forged |
| Surface Finish | Electric Galvanized |
| Size Range | 6mm to 50mm thread diameter |
| End Type | Eye Eye |
| Design Factor | 4:1 minimum |
| WLL Marking | Stamped on body for traceability |
Materials
Materials And Finishes
- Carbon steel body drop forged for strength and fatigue resistance
- Electric galvanizing layer applied to resist rust and environmental exposure
- Threaded rod made from high-strength carbon steel with precision threading
- No alloy steel or stainless steel used unless specified in customization
Manufacturing Process
How This Product Is Made
1Drop forging of the body and threaded rod blanks
2Heat treatment to improve strength and durability
3Machining of threads and eye ends to JIS dimensional standards
4Electric galvanizing process for corrosion protection
5Final inspection of thread engagement and eye alignment
6Stamping of working load limit and product marking
7Proof load testing and packing
Quality Control
Quality Control On Every Batch
- Proof load test performed on production batches before release
- Dimensional tolerance check against published size tables
- Breaking strength validation to confirm 4:1 design factor
- Visual inspection of galvanized coating for uniformity and defects
- 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
- Private label and OEM marking available
- Custom surface finish including zinc plating, powder coating, or electrophoretic black
- Custom sizes and thread lengths built to a supplied drawing
- Packing configuration adjusted for carton count, pallet pattern, 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 |
|---|---|
| Closed-body turnbuckle | The open body allows easier inspection and access during installation but may be more prone to debris ingress in dirty environments |
| Hook and eye turnbuckle | Eye eye provides more secure connection points with pins and better load distribution across the eye, but hook and eye offers more flexibility in anchor attachment |
| Stainless steel turnbuckle | Carbon steel with galvanizing is less expensive and sufficient for most industrial use, but stainless steel offers better corrosion resistance in harsh marine or chemical environments |
| Threaded rod with nuts | The turnbuckle allows continuous tension adjustment without disassembly, while a rod and nut system requires frequent tightening and is less precise |
Use Guide
How To Use And Inspect Eye Eye Turnbuckle JIS Frame Type Open Body
- Ensure the working load limit stamped on the body matches the calculated load in the system
- Inspect the threads and eye ends before each use for deformation or wear
- Use a pin or bolt of correct size to secure the eye ends and prevent slippage
- Adjust tension gradually to avoid overloading the threads or body
- Avoid side loading the turnbuckle; keep the load aligned with the axis of the threaded rod
- Retire the turnbuckle if the body shows deformation, the threads are stripped, or the marking is unreadable
Related Products
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Stainless Steel Turnbuckle H/E, H/H, E/E
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Aluminum Turnbuckles Eye and Eye Alu Closed Body
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Wire Rope Turnbuckle Commercial Type Malleable Steel
Turnbuckles hook and hook Commercial Type Malleable Steel
Galvanized Turnbuckle Eye/Eye Commercial Type Malleable Steel
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Answers
Eye Eye Turnbuckle JIS Frame Type Open Body FAQ
What is the difference between a JIS frame turnbuckle and a closed-body turnbuckle?
The JIS frame type has an open body design, allowing full visual inspection of the threads and internal components, while a closed-body version encloses the threads, limiting inspection access.
Can this turnbuckle be used in marine environments?
Yes, the electric galvanized finish provides corrosion resistance suitable for marine and outdoor use, though stainless steel is recommended for long-term saltwater exposure.
What is the design factor for this turnbuckle?
A standard 4:1 design factor is applied, meaning the minimum breaking load is four times the stated safe working load.
Is a Material Test Certificate available?
Yes, a Material Test Certificate to EN 10204 3.1 is supplied with the order on request.
Can you customise the size or finish?
Yes, custom sizes, thread lengths, and finishes including zinc plating, powder coating, or electrophoretic black are available upon request.
How are they packed for export?
Standard packing is in cartons or gunny bags, then palletized. We can configure the carton count and pallet pattern to suit your warehouse or shipping needs.
What sizes are available?
The thread diameter ranges from 6mm to 50mm. Specific dimensions for each size are available in the product data table.
Need A Quote On Eye Eye Turnbuckle JIS Frame Type Open Body
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.
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