Commonly used in commercial lifting, a clevis hook is a hook with a U-shaped point of attachment featuring holes that enable you to thread a prong through it, and such components allow the assembly of rigging equipment. Additionally, they can also come with or without a snap lock and a clevis, as well as a pin or bolt at the base. Clevis’ are used for fastening the hook to a chain or bracket. Clevis pins can be found at the top of a clevis hook and they are a bolt-like hardware tool that runs across the top of the clevis hook. Knowing that there are various types of hooks available in the market, one might wonder what benefits clevis hooks offer. In this blog, we talk about the advantages of picking clevis hooks over others and where they are used.
Ease of Assembly
In comparison to other hooks, clevis hooks are much easier to connect. These hooks have a U-shaped opening just below their clevis pin. Through this U-shaped opening in the clevis hook, the user can also connect a chain. In many industries, clevis hooks are preferred over other hooks simply because assembling and connecting them is easy. These hooks also support ropes, chains, and other rigging attachments through their opening.
Open & Snap-Lock-Styles
Available in open and snap-lock styles, clevis hooks comprise an open hook, while snap-lock clevis hooks have an efficient locking mechanism on their hook. The locking mechanism on these hooks only functions in a single direction. As such, it can be pushed open, but pulling it open would be impossible. Therefore, another level of security is added to the object(s) being lifted.
Higher Load Limits
When compared to other hooks, clevis hooks can take on higher loads, which means the maximum amount of weight these hooks can safely support is increased. Although these hooks may look tiny, they are designed to handle tremendous loads with ease. As a matter of fact, some clevis hooks can even handle up to 4,000 pounds. On the other hand, some clevis hooks also have a load limit of more than 6,000 pounds.
In most clevis hooks, you will find a feature for pivoting action. Rather than staying static, their pivoting action allows them to move from one side to another. It is critical to know that clevis hooks are not categorized as swiveling hooks. While a swiveling hook can rotate 360 degrees, clevis hooks can only move from side to side. However, the lateral pivot action diminishes the chance of problems during lifting, like chain tangles. Though a clevis hook can only pivot from side to side when connecting to a load for positioning, it does not have the same freedom of movement or flexibility that an eye hook does.
Where Are Clevis Hooks Used?
Many rigging shops and some end-users (who are not certified to weld alloy chain slings), use clevis hooks for making mechanical connections to chain slings. The biggest advantage of using mechanical connections is that if a clevis hook gets damaged due to bending, stretching, or cracking, it can seamlessly and quite easily be removed and replaced without having ot scrap the entire chain sling. However, if this happens to a chain sling, it will require a sling repair and has to be proof-tested before putting the sling back into service.
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