What are the Most Common Rigging Hardware Names?

Confused by all the different rigging terms? You need the right parts but don’t know the names. This leads to costly mistakes and project delays.

The most common rigging hardware names include shackles, hooks, turnbuckles, wire rope clips, and thimbles. Each part is designed for a specific job, like connecting loads, adjusting line tension, or protecting wire ropes in a lifting assembly. Knowing them ensures safety and efficiency.

I remember talking to Mark, a distributor from America. He’s an assertive guy who knows what he wants but struggled with the exact names at first. It caused a bit of confusion with his initial orders from China. Once we clarified the terms for shackles and clips, his whole sourcing process became much smoother and faster. Getting the names right is the first step to successful procurement. Let’s look at the most important ones you need to know.

What Are Rigging Shackles and Their Types?

Picking the wrong shackle can break your entire lift. This mistake risks worker safety and can damage expensive equipment. You must know which type to use for your specific job.

Rigging shackles are U-shaped metal connectors with a pin that connect slings, wire ropes, and other hardware. The two main types are anchor (bow) shackles for multi-leg rigging, and chain (dee) shackles for single, in-line lifts.

When Mark first started buying from us, he would just ask for "shackles." But there’s a big difference between the main types. Using the wrong one is a common mistake for buyers who aren’t technical experts. We had to walk him through the options to make sure he was getting what his customers needed for safe lifting.

Bow (or Anchor) Shackles

Bow shackles have a larger, more rounded "O" shape. This shape is perfect for handling loads from multiple directions. Think about a sling with two, three, or four legs all connecting to one point. A bow shackle gives them the space they need without bunching up. They are the go-to choice for connecting multiple slings to a single hook.

Dee (or Chain) Shackles

Dee shackles look more like the letter "D." They have a narrower shape than bow shackles. This design makes them ideal for in-line applications, where the load is pulled in a straight line. They are great for connecting a single sling or for use with chain. But you should not use them for side-loading, as their shape isn’t built to handle loads from an angle.

Here is a simple table to help you choose:

Feature	Bow (Anchor) Shackle	Dee (Chain) Shackle
Shape	Rounded "O" Shape	Narrow "D" Shape
Best Use	Multi-leg slings, angled loads	Single-leg slings, in-line pulls
Also Known As	Anchor Shackle	Chain Shackle
Key Advantage	Handles loads from many directions	Strong for straight-line lifting

How Do Turnbuckles and Wire Rope Clips Work?

Your lines are sagging, or your rope loops are not secure. This slack can cause dangerous load shifting during a lift. You need a reliable way to tighten tension and terminate ropes safely.

Turnbuckles are used to adjust tension in ropes or cables by simply turning a central body. Wire rope clips are used to create eyes in wire rope or to join two ropes by clamping them together with nuts.

I often explain to clients like Mark that these small hardware pieces are critical for the integrity of the entire rigging assembly. Quality inspection on these is very important, because a failure here can be disastrous. He learned to pay close attention to the threading on turnbuckles and the saddle quality on clips.

Adjusting Tension with Turnbuckles

A turnbuckle is a simple but clever device. It has two threaded ends, one with a right-hand thread and the other with a left-hand thread. These ends screw into a metal body. When you rotate the body, it pulls both ends inward, tightening the rope or cable assembly. Rotating it the other way creates slack. They come with different end fittings.

• Eye and Eye: Both ends are a closed loop.
• Hook and Hook: Both ends have open hooks for easy connection and disconnection.
• Jaw and Jaw: Both ends have a U-shaped clevis with a pin, which is very secure.

Securing Ropes with Clips

Wire rope clips are used to create a loop, or an "eye," at the end of a wire rope. They consist of a U-bolt, a part called a saddle, and two nuts. The most important rule for installation is "Never saddle a dead horse." This means the saddle of the clip must always be placed on the live end of the rope (the part that takes the load). The U-bolt goes on the dead end (the tail). Putting it on backwards can severely reduce the rope’s strength and lead to slippage. For critical lifts, you always use multiple clips spaced correctly.

What Are Hooks, Thimbles, and Sleeves For?

Your wire rope eyes are fraying and deforming under load. This wear and tear weakens the rope over time, creating a serious safety hazard. You need to protect your connections properly.

Hooks are the final link that connects the load to the lifting device. Thimbles are metal liners placed inside a wire rope eye to protect it from crushing. Ferrules or sleeves are crimped onto the rope to form a permanent eye.

These components work together to create a strong and durable lifting point. When I show new buyers our factory, I always point out how these three parts form a system. The sleeve creates the loop, the thimble protects the loop, and the hook attaches the loop to the load. Mark was surprised to learn that a missing thimble could cut a rope’s life in half. It’s a small detail that makes a huge difference in quality and safety, which is why he values suppliers who understand these technical points.

Lifting Hooks: The Final Connection

The hook is where the rubber meets the road. There are many types, but some common ones are eye hooks, swivel hooks (which can rotate under load), and self-locking hooks. The most important safety feature on a hook is the latch. This small flap prevents the sling from slipping out. You should always inspect hooks for signs of stretching, especially in the "throat" or opening. If it has widened, the hook has been overloaded and must be replaced.

Wire Rope Thimbles: The Eye’s Protector

A thimble is a simple piece of grooved metal that lines the inside of a wire rope eye. Its job is to protect the rope. Without a thimble, the pressure of a hook or shackle would crush the rope, causing sharp bends and broken wires. The thimble maintains a natural curve in the rope, distributing the load evenly and preventing abrasion. It’s a very cheap part that provides a huge amount of protection.

Ferrules and Sleeves: Permanent Termination

While wire rope clips can be removed, ferrules (or sleeves) create a permanent loop. These are small metal tubes, usually made of aluminum or steel, that are slipped over the end of the rope where the eye is formed. A powerful tool called a swager then presses or "crimps" the ferrule onto the rope with immense force. This creates a very clean, strong, and permanent termination that is often preferred for factory-made sling assemblies.

Conclusion

Knowing the correct rigging hardware names—shackles, turnbuckles, clips, hooks, and thimbles—is the first step to safe lifting. It simplifies sourcing and ensures you get the right part every time.