Shackles Manufacturer

Hilifting is a leading shackles manufacturer in China, supplying many high-quality types of shackles from small to large sizes, carbon steel, stainless steel and even alloy steel shackles. Commonly, they have bow or chain body with or without screw pin or bolt pin (safety pin).

Shackles


AS2741 Type Grade M Dee Shackle

AS 2741 (Australian) Type Grade M Dee Shackle

AS2741 Type Grade S Dee Shackle With Safety Pin

AS 2741 (Australian) Type Grade S Dee Shackle With Safety Pin

AS2741 Type Grade S Bow Shackle With Safety Pin

AS 2741 (Australian) Type Grade S Bow Shackle With Safety Pin

AS2741 Type Grade S Dee Shackle

AS 2741 (Australian) Type Grade S Dee Shackle

AS2741 Type Grade S Bow Shackle

AS 2741 (Australian) Type Grade S Bow Shackle

European Type Large Dee Shackle

European Type Large Dee Shackle

European Type Large Bow Shackles

European Type Large Bow Shackle

US Type Bolt Chain Shackle G2150

US Type Bolt Chain Shackle 2150

Drop Forged Bolt Anchor Shackle G2130

US Type Bolt Anchor Shackle 2130

US Type Screw Pin Chain ShackleG210

US Type Screw Pin Chain Shackle 210

US Type Screw Pin Anchor Shackle G209

US Type Screw Pin Anchor Shackle 209

Top Shackles Supplier in China

Rigging shackles play a key role in securing and rigging work of the lifting industry, they offer an easy but efficient solution to connect and disconnect chains, wire ropes, and lifting slings for a variety of rigging jobs, straight or multi-dimensional pulling, and lifting applications.

If you are looking for rigging shackles that have a high working load limit with good elongation and fatigue, then you are find the right place. Quality is our first priority, check out the rigging shackles below, please contact us for more information, we help you and your business grow and succeed.

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Frequently Asked Questions

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When you are carrying out rigging jobs that involve shackles, it is very important to the right type of shackle for your application. With the right shackle, you can achieve your rigging goals in a safe and efficient manner and complete the job without incident.

Are you looking for suitable shackles for lifting, towing purposes on intensive lifting and rigging applications? If yes, then this is a must-read guide for you. You will learn every aspect of the rigging shackles. From basic definitions, grade, types, materials, installation to applications of rigging shackles – Keep reading to be an expert before you buying shackles.

A shackle is a jaw or u shaped connecting link, which is designed to connect the lifting slings, wire rope, chain, and rope for a variety of rigging, lifting, pulling, and hoisting applications. The removable pin design is perfect for temporary lifting jobs or quick connect and disconnect.

What’s a shackle

Let’s identify the different parts of a shackle first, you can refer to the below sketch to know terms like “body” and “pin”

Shackle body
Shackle body
Shackle pin
Shackle pin

Shackles come in a number of a wide variety of types, styles, sizes. It can be confusing to choose the right shackle for your rigging jobs, the shape of the shackle’s body is a major determinant of how it can be used, we just outline some of the basic differences between the most common types of shackles in this article.

chain shackle vs anchor shackle (bow shackle vs d shackle)

Anchor Shackles / Bow Shackles

The terms anchor shackles and bow shackles are both used interchangeably, feature a large rounded shape that increased area on the inside of the shackle body and allows them to take loads from many directions without developing significant side load. That makes them ideal for use with multiple-leg slings, connecting slings to load rings, and accommodating a wider strap.

US Type Screw Pin Anchor Shackle G209
Anchor Shackle

Chain Shackles / D Shackles

Chain shackle is referred to as D shackle/Dee shackle, due to the “D” shape design body. “D” (chain) shackles are generally used to join two pieces rated for in-line tension, while bow (anchor) shackles are typically employed where more than one attachment has to be made to the body, for side and racking loads may twist or bend the chain shackle.

US Type Screw Pin Chain Shackle G210
Chain Shackle

Shackle Pin Types: Screw pin shackles vs Bolt type shackles

The shackle pin types are the deciding factors on which shackle will work best for your application.

Screw pin shackles are suitable for quick-to-assemble to connect or disconnect the two-component items, for you can easily and quickly thread the pin insert through the ears and tighten it down. They can be used for little risk of the pin becoming unscrewed during the lifting operation and are not recommended for permanent or long-term installations.

AS2741 Type Grade S Bow Shackle
Screw Pin Shackle

Bolt type shackles are also referred as safety pin shackles, for the combination of a bolt/nut/cotter pin and the split retaining pin cannot unscrew in service, it is a more secure choice than screw pin shackle, and can be used in any application that uses a round pin or a screw pin.

Drop Forged Bolt Anchor Shackle G2130
Bolt Type Shackles

The screw pin anchor shackle is used for static loads, side loading, and multi-leg directions, while bolt type anchor shackles for applications where there may be movement or remains connected for semi-permanent or long-term.

Rigging shackles can vary from different types, sizes, and qualities in order to suit different rigging jobs. That’s why when it comes to choosing the right type of shackles, one must have adequate knowledge about the basic properties it possesses.

This article will discuss some main properties of the shackles, as well as how those parameters are interconnected to each other.

Shackle sizes

No matter small shackles or big shackles, always be aware that the diameter of the shackle pin is usually longer than the shackle body measurements, however, the key measurements given under any standard shackle sizes will be the diameter of the shackle body, not the shackle pin sizes. Following the picture show how to measure shackle length:

how to measure shackle length

Due to varying shackle sizes, it might be clear that the shackle weights are different, normally, sizes or weights should not have more than a + or – 5% variance within standard shackle sizes(RR C 271 shackle, ASME b30 26 shackles), the most popular shackle sizes and dimensions currently available in the market are 3/4″, 5/8″, 1/2″, 1″, 3/8″ and  7/8″.

Shackle Material

Lifting shackles are made on the basis of loading capacity, performance, and environmental applications, These factors are firstly determined by the raw materials, normally they can be divided into three types of shackles by materials, they are carbon steel shackles(mild or low-carbon steel), alloy steel shackles and stainless steel shackles(inox steel or inox). If you want to know more about rigging hardware materials, check out this useful article.

Carbon Steel Shackles

Our conventional shackles, with safety factor of 6:1 or 4:1, hot dipped galvanized or galvanized finish. Available in round pin, screw pin, bolt type.

US Type Bolt Chain Shackle G2150
Carbon Steel Shackle

Alloy Steel Shackles

Alloy steel shackles feature improved mechanical properties, making them more highly loading limited, fatigues, or can be used in some extreme conditions. Safety Factor of 5:1. Refer our Grade 80 alloy steel shackles, It can achieve an equivalent WLL as carbon shackles in but with smaller and lighter weight design.

Stainless Steel Shackles

Stainless steel shackles feature a chromium oxide film on their surfaces which creates high corrosion resistance, can be used in saltwater or chemical environments, are ideal for marine applications. Shackles made from stainless steel are typically more expensive than galvanized shackles.

Stainless Steel 316 US Type Safety Pin Bow Shackle
Stainless Steel Shackles

Both stainless steel shackles and galvanized shackles can offer protection from rust and corrosion, but stainless steel shackles are better choices, for the galvanised shackles just add a thin layer of zinc oxide on the shackle body, while stainless steel shackles are natural to protect against rust and corrosion because stainless steels contain the element “molybdenum”, which can be especially used in extreme conditions or moisture or in a high chloride environment.

Shackle sizes and material are part of the main aspects of rigging shackles that affect its grade & price. By having a rough idea of them, you may easily choose the right shackles but the best way of getting these figures is by asking your manufacturer in the first place.

Anchor shackle, snap shackle, chain shackles, tow shackle, recovery shackle, there are hundreds of types of shackles are the most commonly used in rigging applications, how are these rigging shackles produced? In this article, we will show you how to produce the shackles product.

Main Procedures include:

Cutting → Heating → Roll Forging → Punch Bending→Die Forging → Edge Cutting → Burr Removing→ Drilling, Tapping, Thread Rolling → Heat Treatment (Quenched & Tempered) → Shot Blasting → Surface Treatment → Inspection→ Packing

  • Cutting: We use the cold cutting by 5000kN type shears to the whole round steel into pieces, no matter what size you want to produce such as 3/8 inch shackle, 1/2 inch shackle, 5/8 inch shackle, 3/4 inch shackle, or even 4 inch shackle, we should make sure the round steel pieces length is at least two times of shackles body length.
  • Roll forging and punching bending are also the very important processes, for heating the shackle and hammering it into shape to creates the desired steel grain structure.
  • In the process goes into making these shackles, dia forging and heat treatment steps are the key points, after dia forging, all load rated shackles structure has become more compact, and the plastic and mechanical properties of the shackle rating have been improved.
  • Heat treatment also known as Quenched and Tempered, makes the shackles have a high fatigue resistance and allows the shackle body and pin to bend before breaking, not to brittle fracture, keep the load rating safe, keep the required temperature and time on auto-continuous heat treatment furnace, then you can get the high strength shackles featured 6times W.L.L
  • Edge Cutting, Burr Removing, Drilling, Tapping, and Thread Rolling steps make the shackles surface more smooth, and prepare for the next process surface finishing.
  • Surface treatment can offer excellent protection from rust and corrosion for rigging shackles, making them achieve and maintain high performance in harsh conditions of heat, cold and salt corrosion, etc

So in theory, it is very simple to manufacture the rigging shackles. However there are many more details that must be closely monitored and controlled, and this requires time and experienced personnel.
If you want to get more useful knowledge about producing the lifting shackles, you can contact us by email at info@hilifting.com. We will be glad to share with you more useful information.