DIAGRAM

SPECIFICATIONS
SIZE | L | L1 | S |
in | in | in | in |
1/4 | 4 | 7.43 | 0.37 |
5/16 | 4.5 | 8.24 | 0.4 |
3/8 | 6 | 10.63 | 0.48 |
1/2 | 6 | 11.55 | 0.55 |
1/2 | 9 | 14.55 | 0.55 |
1/2 | 12 | 17.55 | 0.55 |
5/8 | 6 | 12.77 | 0.74 |
5/8 | 9 | 15.77 | 0.74 |
5/8 | 12 | 18.77 | 0.74 |
3/4 | 6 | 14.19 | 0.9 |
3/4 | 9 | 17.19 | 0.9 |
3/4 | 12 | 20.19 | 0.9 |
PRODUCT FEATURES
- Material: 304 or 316 stainless steel
- Threads: Standard UNC thread
- Corrosion Resistance: Ideal for harsh environments
- Design: Precision-cast for reliable performance
- Application: Suitable for rigging, marine, and more
INSTRUCTIONS & CAUTIONS
Check Load Capacity
Before using your US Type hook and hook turnbuckle, always ensure you never exceed its maximum working load limit. Overloading the turnbuckle can cause failure, leading to serious injury or even death. Make sure to verify the load capacity for your specific application and follow safety guidelines to prevent accidents.
Avoid Angular Loading
US Type hook and hook turnbuckles are designed for straight pull applications. They are not suitable for angular loading or applications where the force is not aligned. Using turnbuckles in angular loading can lead to uneven stress, causing failure. Always ensure that the force applied is directly in line with the turnbuckle to maintain its effectiveness and safety.
Inspect Before Each Use
Before each use, inspect your hook and hook turnbuckle for any cracks, distortion, or signs of wear and tear. If you notice any damage, discard the turnbuckle and replace it with a new one. Regular inspections help prevent failures and ensure safe operation, keeping your rigging system secure.
Proper Installation
When installing US Type hook and hook turnbuckles, make sure both ends are securely fastened to the rigging components. Improper installation can compromise the integrity of the system, leading to instability or failure. Always double-check that the turnbuckle is properly threaded and that all fittings are tightly secured before adjusting the tension.
OUR ADVANTAGES
Custom-Engineered Solutions
We understand that every project is unique. That’s why we offer custom-engineered solutions for US Type hook and hook turnbuckles. Need a specific size or thread type? Our team works closely with you to provide tailor-made turnbuckles that fit your exact requirements. With us, you get the flexibility and precision you need for all types of rigging applications.
Direct from Manufacturer
When you choose Powerful Machinery, you’re getting US Type double hook turnbuckle directly from the manufacturer. This means no middleman, lower costs, and faster turnaround times. We control the entire production process, ensuring that you receive high-quality products quickly and at a competitive price, perfect for wholesalers and suppliers.
Efficient Logistics & Fast Delivery
Powerful Machinery prioritizes efficient logistics to ensure your US Type hook & hook turnbuckle are delivered on time, every time. We have a streamlined process in place to handle both small and large orders. Our reliable shipping partners guarantee fast delivery, so you can keep your projects moving forward without delays, making us the go-to supplier for timely, bulk orders.
After-Sales Support & Warranty
We don’t just sell US Type hook turnbuckles ; we stand by our products with excellent after-sales support. From troubleshooting to product guidance, our team is always available to assist you. Additionally, we offer warranties on all our products, giving you peace of mind knowing you're working with durable, high-performance turnbuckles backed by expert customer service.
OUR REVIEWS



FAQ
How Do I Use a Turnbuckle Hook?
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Attach the Hooks
Start by attaching the hooks of the turnbuckle to the rigging components you need to secure. Ensure the hooks are securely fastened to avoid any accidental disconnection. -
Rotate the Central Body
To adjust the tension, rotate the central body of the turnbuckle. By turning the body, both hooks will draw closer together, allowing you to tighten or loosen the connection as needed. -
Adjust Tension
Keep turning the central body until the desired tension is achieved. This action will tighten or loosen the connection between the components, ensuring they are securely in place. -
Ensure Secure Attachment
Before making any adjustments, make sure the hooks are securely fastened. Failing to do so can lead to slippage or even failure of the rigging during operation. Always double-check for tightness to maintain safety.
How Does a Turnbuckle Hook Work?
A turnbuckle hook works by using a central body with threaded ends that connect to hooks. As you rotate the central body, it adjusts the distance between the two hooks. This movement either tightens or loosens the tension in the rigging, making it ideal for adjusting tension in cables, ropes, or other components. This mechanism allows for quick and precise tension adjustments, crucial for safe and secure rigging.
What should I do if my trawl block is damaged?
If your trawl block shows signs of significant wear, such as cracks or a damaged sheave, it’s important to replace it immediately to prevent further issues. Don’t use a damaged block, as it can cause equipment failure or accidents. Contact us for replacement parts or a new block, and always make sure to use blocks that meet the working load limit (WLL) of your operation.
How Do I Tighten a US Type Hook and Hook Turnbuckle?
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Rotate the Central Body Clockwise
To tighten a US Type Hook and Hook Turnbuckle, simply rotate the central body in a clockwise direction. This action will pull the hooks closer together and tighten the rigging system. -
Increase Tension
By rotating the body, you will increase the tension in the rigging system. This is crucial for adjusting the tension between components, such as ropes, cables, or chains. -
Use a Wrench if Necessary
For added force, you can use a wrench to apply additional torque. However, avoid using excessive force, as it could damage the threads or compromise the rigging system. -
Avoid Over-tightening
Always ensure that you do not over-tighten the turnbuckle. Over-tightening can lead to thread damage or failure of the rigging system. Be mindful of the tension to maintain safety and performance.
What Should I Do if a US Type Hook and Hook Turnbuckle Is Damaged?
If a US Type Hook and Hook Turnbuckle is damaged, replace it immediately. Never attempt to repair a damaged turnbuckle, as it can compromise the safety and reliability of the rigging system. Inspect your rigging hardware regularly, and always use high-quality turnbuckles to ensure safe and efficient operation.