Understanding 35% 20 Ton Shackle Dimensions A Comprehensive Guide

When it comes to heavy lifting and rigging, shackles play a vital role in ensuring safety and efficiency. Among the various types of shackles, the 35% 20 ton shackle is a significant component specifically designed for high-capacity loads. This article will delve into the dimensions and specifications of a 35% 20 ton shackle, highlighting its importance in weight distribution and load management.

What Is a Shackle?

A shackle is a U-shaped metal connector with a pin or bolt that secures two or more elements in a lifting system. Commonly made from high-strength steel, shackles are divided into various types, including bow shackles and chain shackles, each serving different purposes. The 35% 20 ton shackle refers to its working load limit (WLL) and the design criteria that make it suitable for lifting operations under specific conditions.

Dimensions and Specifications

The dimensions of a 35% 20 ton shackle can vary depending on the manufacturer and specific design criteria. However, here are some typical dimensions you might encounter

1. Width (A) The nominal width of the shackle is typically around 45 mm. This dimension is crucial as it determines how well the shackle can accept other components like slings or chains. 2. Height (B) The height usually measures approximately 110 mm. This vertical dimension plays a pivotal role in the shackle’s load-bearing capacity and overall strength.

3. Pin Diameter (C) A standard pin diameter for a 20 ton shackle is about 22 mm. The pin is one of the most critical parts, as it secures the load and withstands the forces applied during lifting.

4. Body Diameter (D) The diameter of the shackle’s body, often around 25 mm, contributes to its robustness and ability to handle substantial loads without deforming.

5. Weight A typical 35% 20 ton shackle might weigh approximately 5.5 kg, providing a good balance between strength and portability.

Importance of Accurate Dimensions

Accurate dimensions are crucial for the safe operation of shackles. Using a shackle that is not rated for the load being lifted can lead to catastrophic failures. The 35% designation indicates that the shackle is designed to handle loads up to 20 tons (with an added safety factor), making it suitable for a variety of demanding applications.

Applications

The applications of a 35% 20 ton shackle are vast. They are predominantly used in construction, marine, and industrial settings, where heavy materials need to be lifted and secured. Their high load capacities make them ideal for rigging operations, towing, and anchoring.

Conclusion

In summary, understanding the dimensions and specifications of a 35% 20 ton shackle is essential for ensuring safe lifting practices. By adhering to the recommended dimensions and load capacities, operators can mitigate risks and enhance operational efficiency. Whether you’re involved in heavy lifting in construction or maintenance tasks in the industrial sector, selecting the right shackle is paramount to success. Always consider the manufacturer’s specifications and adhere to safety guidelines to ensure the integrity of your lifting operations.