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Shackles Manufacturer

UU LIFTING is a leading shackles manufacturer in China, supplying many high-quality types of shackles, from d & chain shackles, bow & anchor shackles, screw pin shackles, bolt shackles, and round pin shackles. Reach out to us for high-quality solutions ideally suited to your requirements.

Top Shackles Supplier in China

Are you on the hunt for a reliable rigging shackle Manufacturer? Your search ends here with UU LIFTING. We take pride in being your trusted source for a vast selection of rigging and lifting shackles.

Rigging shackles are a vital part of the lifting industry, as they make it easy to connect and disconnect chains, wire ropes, and lifting slings when performing rigging operations. Our shackles are designed to accommodate a range of jobs, carefully crafted with robust workload limits and high levels of elongation and fatigue resistance.

We prioritize quality over all else; shop our selection of rigging shackles now and contact us for more information – let us help you improve your business!

Revolutionary Products

D Shackles

Anchor & Bow Shackles

Electro Galvanized shackles

Stainless Steel Shackle

OEM Custom Shackles

OEM Custom Shackles

Secure Every Load with Our Premium Shackles: Reliability Redefined!

UU LIFTING can produce shackles in various materials, including low-carbon, alloy, and stainless steel. If you need shackles or other chain accessories with unique specifications and shapes, you only need to provide us with your place of use lifting tonnage; we have a dedicated technical team to cooperate with the design model and drawings, and then use a fully automatic CNC machine to open mold.

Strong Capacity
  • Larger Capacity, Better Price: Benefit from our 20 years of expertise: Enjoy substantial savings on your purchasing budget with our larger capacity and better pricing.
  • Lower MOQ, More Flexibility: Boost your profits effortlessly: Our 1 Pallet MOQ policy ensures you save more while increasing profitability.
  • Testing: Ensure product excellence with our Proof Test Services available for every item you choose.
  • Certified Products, Safety Guaranteed: Experience assured quality with our strict compliance and production standards.
  • Free Sampling: Experience risk-free buying: Test our products with free samples before purchasing.

Discover tailor-made solutions with UU LIFTING’s rigging hardware and lifting equipment, designed to meet your project’s specific needs with the flexibility and customization you deserve.

Explore Beyond Shackles – Experience the UU LIFTING Difference

At UU LIFTING, our commitment extends far beyond being a mere rigging and lifting shackles manufacturer. We’re dedicated to going above and beyond the industry standard, providing exceptional customer service that sets us apart. Here’s what you can expect when you partner with us:


Rigging Shackles Design

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Strong Capacity


Equipped with fully automatic coating lines, high-speed production lines and mold manufacturing and deep processing workshops

Machining Workshop

Favorable Price

Up to 10% lower raw material costs contributed by bulk order needs and stable supply guaranteed by manufacturing process, make it possible for our lower price.

Full Support & Service

Full Support & Service

From pre-sales to manufacture and after-sales, we will provide the tailored solution according to your design and quote within 24 hours.

We’re There Every Step of the Way

Over 20 Years for One Goal-Focus On Rigging and Lifting Equipment Manufacture


High-Quality Rigging and Lifting Equipment Start From Basics

Customized rigging solutions

Customized Rigging Solutions Cost Save 10%-20%


One Tracking, Caring Service 24/7 One-One Service For You

FAQs Rigging Shackles

For your convenience, we’ve gathered the most commonly asked questions about our rigging and lifting shackles. However, should you have any further queries, please don’t hesitate to contact us.

Our rigging is made from top-grade alloy steel and stainless steel, which have undergone rigorous government certification to comply with international standards. Also, we provide custom design services to accommodate your unique requirements.

If you wish, you can inspect our factory by coming to our premises in person or employing a third-party organization to inspect for you.

If you want to personalize your rigging hardware, the shipment of regular hardware in 2-3 containers can be shipped within 30 business days. The speed and efficiency of customs clearance and logistics may affect the timeline, however.

Manufacturers use thick cartons or export-grade plywood boxes to protect products and maintain the integrity of their packaging. This provides a sturdy barrier to keep the contents safe and secure during shipping and transport.

Quality lifting shackles can be found at reliable online and local retailers. Check out specialty websites specializing in construction equipment and rigging hardware and brick-and-mortar stores in your area. Compare prices and product reviews to find the best deal you need.

  1. Research Various Shackles Manufacturers.
  2. Assess Their Technical Capabilities and Certifications.
  3. Evaluate Their Reputation and Track Record in the Industry.
  4. Check Credentials and Shackle Standards They Follow or Employ.
  5. Request a Quote to Compare Prices, Terms, and Delivery Times.

Lifting shackles are U-shaped pieces of metal used in rigging, lifting, and hoisting applications. They are used to secure cables, ropes, and chains for various jobs like loading cargo onto ships and aircraft, hoisting large stones for building bridges, moving heavy machinery into place, or manipulating loads during construction projects.

We can design the rigging according to your requirements (material, capacity, colour, package, etc.). We will also provide you with expert guidance at the same time, based on our many years of experience in the industry.

D & chain shackles, bow & anchor shackles, screw pin shackles, bolt shackles, round pin shackles, forged shackles, galvanized shackles, stainless steel shackles, etc.

Lifting shackles are typically measured by their nominal diameter, pin diameter, and inner width. Depending on the shackle model, the manufacturer may provide additional measurements, such as center-to-center pin length and working load limits (WLL).

Most lifting shackles are made of metal, such as galvanized steel, stainless steel, or alloy steel. These metals are strong and durable enough to handle heavy loads, making them an ideal choice for rigging purposes.

Your Comprehensive Guide to Purchasing Rigging Shackles

Rigging lifting shackles are used to securely connect lifting equipment to loads in material handling and hoisting applications.

If you’re considering importing rigging shackles for your projects or seeking wholesale distribution in your area, contact us. We’re here to provide products that perfectly align with your specific operational requirements. Please feel free to contact us to find your ideal solution.

Chapter 1

What are Shackles?

lifting shackles banner

Shackles are fundamental in various lifting, rigging, and load-securing applications. They play a crucial role in ensuring the safety and efficiency of operations involving the movement of heavy loads. This comprehensive guide will delve into the essentials of rigging shackles, exploring their types, applications, material composition, safety considerations, maintenance, and selection criteria.

Shackles are typically U-shaped pieces of metal secured with a pin or bolt across the opening or a hinged metal loop secured with a quick-release locking pin mechanism. They are designed to connect lifting equipment, such as hoists or cranes, to load-bearing slings or directly to loads themselves. The primary function of a shackle is to provide a secure and flexible link to ensure safe and effective load handling.

Chapter 2

Advantages of Shackles

To create effective marketing materials for shackles, it’s essential first to understand their advantages. Shackles are widely used in lifting, rigging, and load-securing applications. Key advantages include:

  1. Strength and Durability: Shackles are designed to handle heavy loads and harsh conditions, making them reliable for critical lifting operations.
  2. Versatility: Suitable for various lifting and rigging setups, adaptable to different types of loads and anchor points.
    Safety: Engineered for secure connections, reducing the risk of accidents in lifting operations.
  3. Ease of Use: Simple to install and remove, facilitating quick and efficient operations.
    Variety: Available in different sizes, shapes, and materials to meet specific needs.
Clearance Procssing

These advantages underscore the versatility and effectiveness of shackles in a wide range of industries and applications.

Chapter 3

What are Shackles Used for?

Heavy Lifting Operations

Lifting rigging shackles are essential components in the lifting and rigging industry, primarily used for:

  • Connecting Lifting Equipment:They link wire ropes, chains, slings, and other rigging hardware to loads, ensuring secure and efficient lifting operations.
  • Heavy-duty Lifting:Commonly used in construction, shipyards, and heavy machinery operations for lifting substantial loads.
  • Load Securement:Crucial in securing loads for transport or during lifting operations, preventing movement, and ensuring stability.
  • Multi-Directional Load Handling:Especially with bow shackles, they allow for angle pulls, accommodating complex lifting scenarios.
  • Versatile Applications:Used in a variety of industries, including construction, maritime, offshore drilling, and manufacturing, due to their strength and reliability.

Chapter 4

Chapter 5

Shackle Types

Shackles, vital in lifting and rigging operations, come in various types to suit different applications. The primary types include:

1. Bow Shackles (or Anchor Shackles): Characterized by their larger, more rounded “O” shape, these shackles are ideal for multi-dimensional load applications, allowing for greater flexibility in the angle of the load.

Lifting Anchor & Bow Shackles
Lifting D Shackles

2. D Shackles (or Chain Shackles): These have a narrower “D” or “U” shape and are more suitable for straight-line pulling or lifting, offering a more direct line of force.

3. Screw Pin Shackles: Featuring a pin that screws into the shackle body, these are used for applications where the shackle needs to be frequently connected and disconnected.

Lifting Screw Pin Shackles
Bolt Shackles

4. Bolt-Type Shackles: These have a bolt and nut with a cotter pin for securing, ideal for more permanent or long-term applications where the shackle isn’t frequently removed.

5. Round Pin Shackles: Containing a round pin secured by a cotter pin, these shackles are used in situations where the load is static, and there’s little risk of the pin rotating.

Round Pin Shackles
Snap Shackles

6. Snap Shackles: Equipped with a spring-activated mechanism for quick release, these are commonly used in marine and stage rigging.

7. Webbing and Rope Shackles: Designed specifically for use with soft lifting slings, like synthetic webbing or rope, these prevent damage to the sling material.

Webbing and Rope Shackles

Chapter 6

What are the shackles parts?

Shackles, essential in lifting and rigging, typically consist of the following parts:

  1. Shackle Body: The main component, usually U-shaped or bow-shaped, is designed to bear the load. It’s the part through which the lifting medium (like a rope, chain, or sling) is attached.
  2. Pin: This is the securing element that passes through the holes at the ends of the shackle body. The pin can be of different types, such as a screw pin, a bolt-type pin, or a round pin, each suited for specific applications.
  3. Threaded Section: Found in screw pin shackles, this section on the pin allows for secure screwing into the shackle body, making it easy to attach and detach.
  4. Bolt and Nut (in Bolt-Type Shackles): Some shackles use a bolt and nut mechanism instead of a screw pin. This setup is often more secure and used in permanent or semi-permanent applications.
  5. Cotter Pin (in Bolt-Type and Round Pin Shackles): A small pin or clip used to prevent the bolt or round pin from loosening or accidentally coming out during use.
  6. Shoulder (in Some Designs): The area where the shackle body curves to meet the pin holes. In some designs, the shoulder is reinforced to handle additional load stress.
4 parts of shackles

Chapter 7

How does the shackle work?

1. Load Attachment: The shackle body, with its U-shaped or bow-shaped design, allows for easy attachment of lifting mediums such as wire ropes, chains, or slings. This design enables it to handle loads from different directions without compromising strength.

2. Securing with Pin: Once the lifting medium is placed within the shackle body, the pin is inserted through the holes at both ends of the shackle. The type of pin used (screw, bolt, or round pin) depends on the shackle design and the specific application. The pin secures the lifting medium in place and completes the load-bearing loop.

Safety Considerations When Using Shackles
Safety Considerations When Using Shackles

3. Load Distribution: When a load is applied, the shackle evenly distributes the force throughout its body. The design of the shackle, whether D-shaped or bow-shaped, determines how the load is distributed and the directions from which it can safely handle forces.

4. Dynamic Adjustment: Shackles can adjust to the angle of the load, particularly bow shackles, which are designed to handle off-axis stresses. This flexibility is crucial in dynamic lifting situations where the angle of the load may change.

5. Safety and Reliability: Properly rated and correctly used shackles provide a secure and reliable connection point in lifting operations, ensuring that the load is safely handled throughout the lifting, moving, or anchoring process.

Chapter 8

What should you pay attention to when buying shackles?

When purchasing shackles for lifting and rigging applications, it’s crucial to consider several key factors to ensure safety, efficiency, and suitability for your specific needs:

buying shackles
  1. Load Capacity: Choose a shackle with a working load limit (WLL) that meets or exceeds the maximum load you plan to lift. Never exceed the rated capacity of the shackle.
  2. Shackle Type: Select the appropriate type (e.g., Bow or D shackle) based on the intended use. Consider the angle of the load and whether multi-directional load capacity is needed.
  3. Material and Build Quality: Ensure the shackle is made of high-strength, durable material, typically alloy steel or carbon steel, and check for quality craftsmanship.
  4. Size and Dimensions:The shackle size should be appropriate for the lifting gear and load. The size and dimensions influence the shackle’s fit and effectiveness in the rigging setup.
  5. Pin Type: Decide between a screw pin, bolt type, or round pin based on the application. Screw pins are easier for quick connection/disconnect, while bolt-type pins offer more security for long-term or heavy-duty applications.

6. Environmental Conditions: Consider the working environment. For corrosive environments, stainless steel or galvanized shackles may be necessary.

7. Certification and Compliance: Look for shackles that meet relevant safety standards and certifications. Ensure they are compliant with industry regulations.

8. Manufacturer Reputation: Purchase from reputable manufacturers known for quality products. This can ensure reliability and adherence to safety standards.

9. Inspection and Testing: Check if the shackles have been properly tested and inspected and if they come with certification documentation.

10. Application-Specific Features: Depending on the application, you might need shackles with specific features, such as wide-body shackles for synthetic slings.

By paying attention to these details, you can ensure that you select shackles that are not only suitable for your specific lifting and rigging needs but also maintain the highest safety standards.

Chapter 9

What materials are the shackles made of?

Shackles, a vital component in lifting and rigging operations, are typically made from the following materials:

stainless steel
  1. Carbon Steel: Widely used due to its strength and durability. Carbon steel shackles are suitable for general lifting purposes and are often more cost-effective than other materials.
  2. Alloy Steel: Known for its superior strength and resistance to wear and tear, alloy steel is used for heavy-duty applications where higher load capacities are required.
  3. Stainless Steel: Ideal for marine and other corrosive environments, stainless steel shackles offer excellent corrosion resistance, ensuring longevity and reliability in harsh conditions.

4. High-Tensile Steel: Used for shackles requiring extra strength, high-tensile steel can handle higher loads compared to regular carbon steel.

5. Galvanized Steel: Carbon or alloy steel shackles are often galvanized for additional corrosion resistance. This process involves adding a protective zinc coating, making them more suitable for outdoor or marine applications.

Chapter 10

Factors to Consider When Choosing A Shackle Manufacturer

1. Quality control and certifications

Quality control is a fundamental factor to consider when choosing a shackle manufacturer. A manufacturer that prioritizes quality will have robust processes in place to ensure that every shackle produced meets the highest standards. Look for manufacturers that perform rigorous material inspections, dimensional checks, and load testing. Additionally, certifications such as ISO 9001 and ISO 14001 demonstrate a commitment to quality management and environmental sustainability.

2. Reliability and reputation

Reliability is crucial when it comes to choosing a shackle manufacturer. You want a manufacturer that consistently delivers products on time and meets your specifications. Look for manufacturers with a proven track record of reliability and positive customer feedback. Online reviews and testimonials can provide valuable insights into a manufacturer’s reputation and customer satisfaction.

Factors to Consider When Choosing A Shackle Manufacturer​

3. Customization options

Every industrial application is unique, and the ability to customize shackles to your specific needs is essential. Choose a manufacturer that offers a wide range of customization options, including different sizes, materials, and configurations. This ensures that the shackles fit seamlessly into your operational processes and equipment. A manufacturer willing to work closely with you to understand your requirements and provide tailored solutions is a valuable partner.

Chapter 11

Galvanized VS Stainless Steel Finishes

When comparing galvanized and stainless steel finishes, particularly for applications like shackles in lifting and rigging, it’s important to consider their differences in terms of corrosion resistance, strength, application environments, and cost:

1. Corrosion Resistance:

    • Galvanized Steel: This involves a zinc coating applied to carbon or alloy steel. The galvanization process provides good protection against corrosion, particularly in outdoor and industrial environments. However, if the zinc layer is damaged, the underlying steel can corrode.
    • Stainless Steel: Inherently resistant to corrosion due to its chromium content, which forms a passive protective layer. Stainless steel is especially suited for highly corrosive environments, like marine or chemical exposure.
Galvanized Shackles
Galvanized Shackles

2. Strength and Durability:

    • Galvanized Steel: The underlying steel provides strength, making galvanized steel suitable for heavy-duty applications. However, the zinc coating can be compromised under extreme conditions or if physically damaged.
    • Stainless Steel: Generally strong, but certain grades can be less durable than galvanized steel. Its strength-to-weight ratio is often a crucial factor in its selection.

3. Application Environments:

    • Galvanized Steel: Commonly used in general outdoor, industrial settings and where there is exposure to moisture and certain chemicals.
    • Stainless Steel: Ideal for environments with high salt content, such as marine or coastal areas, and where cleanliness and hygiene are priorities (e.g., food processing, medical).

4. Cost:

    • Galvanized Steel: Typically more cost-effective than stainless steel. The process of galvanization adds minimal cost to the base steel material.
    • Stainless Steel: Generally more expensive, with prices varying significantly based on the grade and composition. The higher cost is due to its enhanced corrosion resistance and longevity in harsh environments.
Stainless Steel Shackles
Stainless Steel Shackles

5. Maintenance and Longevity:

    • Galvanized Steel: This may require maintenance if the zinc layer is damaged. Its lifespan can be shorter in extremely corrosive environments.
    • Stainless Steel: Low maintenance due to its corrosion resistance and does not require additional coating. It often has a longer lifespan in corrosive environments.

In summary, the choice between galvanized and stainless steel finishes depends on factors like specific environmental conditions, required strength, budget constraints, and longevity expectations. For rigorous, high-corrosion settings, stainless steel is usually the preferred choice, whereas galvanized steel is often selected for general outdoor or industrial applications where high durability and cost-effectiveness are key considerations.

Chapter 12

In Summary

Navigating the complexities of choosing the ideal rigging lifting shackles can be overwhelming, particularly for newcomers in the industry. But, armed with the proper knowledge about these shackles, the selection process becomes much more manageable.

Boasting two decades of expertise in the lifting rigging equipment sector, our capabilities extend to delivering better products. We rigorously test our products prior to dispatch, ensuring they meet stringent quality standards. Our dedicated team is always on standby, offering expert advice and crafting customized samples to meet your requirements.

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