Turnbuckles
HD Turnbuckle Jaw Jaw, Heavy Duty Turnbuckles
A heavy-duty turnbuckle with jaw-jaw configuration, designed for precise tension adjustment in rigging systems. Constructed from high tensile steel with a 5:1 safety factor, it meets Dutch, British, and American dock regulations. Available in sizes from 55 x 8 mm to 200 x 8 mm, with working load limits from 13.5 tons to 250 tons. Supplied with two securing nuts as standard, and custom designs with trapezium thread are available on request.
- Material
- High tensile steel
- Finish
- Painted RAL 5013 Temperature Range: -20°Cupto +180°C Standard Certification: Certificate of Conformity Non-sta
- 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 Hd Turnbuckle Jaw Jaw Gives You
- Adjusts tension in cables, ropes, and tie rods with precise control via rotation of the body
- Jaw-jaw ends allow direct connection to other components without additional fittings
- High tensile steel construction supports heavy loads in harsh environments
- 5:1 safety factor ensures reliable performance under dynamic and static loads
- Painted finish in RAL 5013 resists corrosion and maintains visibility in industrial settings
- Operates safely from -20°C to +180°C, suitable for extreme temperature applications
- Complies with Dutch, British, and American dock regulations for marine and industrial use
Application Scenarios
Where Hd Turnbuckle Jaw Jaw Is Used
- Tensioning stay and shroud lines on sailboats and marine vessels where consistent load distribution is critical
- Adjusting cable tension in scaffolding and formwork systems during construction
- Controlling rigging tension in stage and theater setups for lighting and curtain systems
- Stabilizing structural supports in industrial plants and manufacturing facilities
- Securing and aligning heavy equipment during transport and installation
Who It Is For
Buyers This Product Is Built For
- Marine rigging contractors specifying hardware for vessel stays and shrouds
- Construction firms managing cable tension in temporary structures and formwork
- Theater and event production teams requiring reliable rigging for stage equipment
- Industrial maintenance teams adjusting tension in overhead systems and conveyors
- Equipment manufacturers integrating turnbuckles into custom lifting and securing assemblies
Problems It Solves
Problems This Product Removes
- Inconsistent tension in cables and ropes due to lack of adjustable hardware
- Need to source separate fittings for connection and tensioning from multiple suppliers
- Failure of standard turnbuckles under high load or in corrosive environments
- Difficulty in maintaining alignment and load balance in multi-point rigging systems
- Lack of compliance with dock regulations in marine and offshore applications
- Inability to adjust length or tension without disassembling the entire rigging system
Technical Features
Technical Features
- Jaw-jaw (clevis end) configuration for direct connection to other rigging components
- High tensile steel body with a 5:1 safety factor, minimum breaking load five times the safe working load
- Trapezium thread on the screw for high load transfer and resistance to loosening
- Standard supplied with two securing nuts; locking devices available on request
- Painted finish in RAL 5013 for corrosion resistance and visibility
- Temperature range from -20°C to +180°C suitable for indoor and outdoor use
- Complies with Dutch, British, and American dock regulations for marine and industrial applications
Specifications
Hd Turnbuckle Jaw Jaw Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Capacity Range | 13.5T to 250T safe working load |
|---|---|
| Material | High tensile steel |
| Safety Factor | 5:1 minimum breaking load to safe working load |
| Surface Finish | Painted RAL 5013 |
| Temperature Range | -20°C to +180°C |
| Thread Type | Trapezium thread |
| Standard Accessories | Two securing nuts supplied |
| Certification | Certificate of Conformity |
| Customization | Non-standard sizes and custom products available on request |
| L IN Dimensions | 133 mm to 2170 mm |
| L OUT Dimensions | 935 mm to 2840 mm |
| B1 mm | 55 mm to 210 mm |
| B3 mm | 120 mm to 280 mm |
| T mm | 20 mm to 120 mm |
| ΦD1 mm | 51 mm to 250 mm |
| R1 mm | 60 mm to 260 mm |
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
- High tensile steel body for strength and durability under heavy load
- Trapezium thread design to resist loosening under vibration and dynamic pull
- RAL 5013 paint finish for protection against rust and environmental exposure
- Securing nuts made from matching high tensile steel for consistent load transfer
Manufacturing Process
How This Product Is Made
1Forging of high tensile steel blanks for the body and jaws
2Machining of trapezium thread and jaw bores to precise tolerances
3Heat treatment to enhance strength and fatigue resistance
4Assembly of the body, jaws, and securing nuts
5Application of RAL 5013 paint finish with curing at controlled temperature
6Final inspection and proof load testing on production batches
7Packing and preparation for export with documentation
Quality Control
Quality Control On Every Batch
- Proof load testing on production batches before release
- Dimensional tolerance check against published size table
- Breaking strength validation to confirm 5:1 safety factor
- Thread engagement and rotation check for smooth operation
- Certificate of Conformity issued with each order
- Third-party inspection accepted at the Qingdao warehouse before shipment
Customisation
Customisation Options
- Custom sizes and capacities built to a supplied drawing
- Non-standard thread types or configurations available on request
- Additional locking devices for lifting applications available on request
- Private label and OEM marking for brand integration
- Custom packing carton and pallet configuration for export or warehouse handling
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 turnbuckle with eye ends | Jaw-jaw configuration allows direct connection to other components without additional clevis or pin fittings |
| Light duty turnbuckle | Higher safety factor and material strength make this suitable for marine and industrial use, not just light tensioning |
| Screw pin turnbuckle | Jaw-jaw design offers better load distribution and avoids pin shear risks under side loading |
| Adjustable rod end with threaded rod | Turnbuckle provides faster and more precise length adjustment without disassembly |
Use Guide
How To Use And Inspect Hd Turnbuckle Jaw Jaw
- Verify the stamped safe working load matches the calculated load in the system
- Ensure both securing nuts are tightened and locked in place before applying load
- Rotate the body evenly to avoid side loading or binding in the thread
- Inspect the paint finish and thread for damage before each use
- Do not use without an additional locking device if the application involves lifting
- Retire the turnbuckle if the body shows deformation or the thread is damaged
Related Products
Often Ordered With This Item
Stainless Steel Turnbuckle H/E, H/H, E/E
Aluminum Body Turnbuckle Hook and Eye Alu Closed Body
Aluminum Turnbuckles Eye and Eye Alu Closed Body
Aluminum Turnbuckle Hook and Hook Alu Closed Body
Wire Rope Turnbuckle Commercial Type Malleable Steel
Turnbuckles hook and hook Commercial Type Malleable Steel
Galvanized Turnbuckle Eye/Eye Commercial Type Malleable Steel
Turnbuckle Eye to Eye Commercial Type Malleable Steel
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Answers
Hd Turnbuckle Jaw Jaw FAQ
What is the safety factor on these turnbuckles?
A standard 5:1 safety factor, so the minimum breaking load is five times the stated safe working load.
Can these be used for lifting?
Only with an additional locking device suitable for lifting. The standard version is for tensioning, not lifting.
Are custom sizes available?
Yes. Non-standard sizes and custom products are available on request, including custom thread types and configurations.
What finish is applied?
Standard finish is painted in RAL 5013. Custom finishes including zinc plating or powder coating are available on request.
Do you supply certificates?
Yes. A Certificate of Conformity is issued with each order. Material Test Certificates are available on request.
Can I get locking devices for lifting?
Yes. Additional locking devices suitable for lifting are available on request for use with the turnbuckle.
What is the temperature range?
Operates safely from -20°C to +180°C, suitable for both cold and high-heat environments.
Need A Quote On Hd Turnbuckle Jaw Jaw
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