European Type Turnbuckle with Bar, Eye and Eye

Rigging Hardware Turnbuckle European type Turnbuckle Open Body Turnbuckle with Bar, Eye and Eye Turnbuckle

Functions of Turnbuckle Body with Middle Cross Bar

A turnbuckle cross bar is the reinforcing horizontal rib at the middle of the turnbuckle barrel, and it delivers five key functional advantages for rigging and construction applications:

1. Higher Tensile Load Capacity & Structural Reinforcement

Turnbuckles without cross bars rely only on thin barrel walls to bear tension; under heavy loads, the barrel may expand, deform or crack. The cross bar connects the two halves of the barrel as an integrated rigid unit, evenly distributing axial pulling force. It greatly improves the working load limit (WLL) and breaking strength, making it mandatory for heavy-duty rigging, marine and steel structure projects.

2. Anti-Ejection Safety Stop (Core Safety Feature)

Turnbuckles use left-hand and right-hand threaded screws on both ends. If the screws are extended too far with insufficient thread engagement, tension force can pull the screws completely out of the barrel, which causes dangerous flying cables. The cross bar acts as a physical limit block to stop both screws from sliding out fully, eliminating the risk of sudden rigging failure.

3. Convenient Leverage for Tension Adjustment

The flat cross bar provides a stable gripping point. Workers can use a wrench or steel pipe to sleeve the cross bar and rotate the turnbuckle effortlessly to tighten or loosen cables. Unlike smooth bare barrels that slip easily, the cross bar saves labor especially for high-altitude and frequent tension adjustment work (e.g., scaffold bracing, power line tensioning).

4. Anti-Twist Performance & Smooth Long-Term Adjustment

When tensioning wire ropes, twisting torque is generated. Barrels without cross bars tend to distort and jam the threads. The cross bar restricts barrel deformation and keeps the two screws coaxial, ensuring the turnbuckle can still rotate smoothly after long-term tension. It extends the service life of threaded parts.

5. Vibration Resistance & Fatigue Reduction

Outdoor curtain walls, ships and lifting equipment face constant vibration. Turnbuckles fitted with cross bars have higher overall rigidity, which cushions repeated impact and abrasion on threads. It lowers the chances of thread loosening and metal fatigue fracture under cyclic vibration.

Application Classification Note

- Small sizes (M4–M14): Light load scenarios such as sun shade sails and lightweight safety netting can use turnbuckles without cross bars.

- Large sizes (M16 and above): Cross-bar reinforced turnbuckles are required by safety codes for load-bearing tension systems in construction, marine and structural engineering.

- Small sizes (M4–M14): Light load scenarios such as sun shade sails and lightweight safety netting can use turnbuckles without cross bars.

- Large sizes (M16 and above): Cross-bar reinforced turnbuckles are required by safety codes for load-bearing tension systems in construction, marine and structural engineering.

Come and order your European type Turnbuckle Open Body Turnbuckle with Bar, Eye and Eye Turnbuckle

Haifan Rigging supply a range of rigging screws and turnbuckles.They come with a variety of fittings for each end to suit your particular application,such as eye and eye, eye and hook,hook and hook, jaw and jaw, hook and jaw,etc.Some rigging screws are fitted with locking nuts/barrel strainers to ensure that there is no unwanted loosening of the rope.

To put in your order, just fill out our short inquiry form here,but please do ask us if you need anything custom-made.

If you wish to ask a question or need further advice, you are welcome to contact us. 

We’ll be happy to help.