Human powered lifting mechanism for the hook, at 1.5 times the rated load as the test load test. The hook lifting mechanism for power driven, with 2 times the rated load as test load test. Remove the hook load test, should not have any obvious defects and increase the degree of deformation, the opening should not exceed 0.25% of the original size.

Understanding the function of different lifting hooks is essential in ensuring the proper and safe operation of materials during handling operations. Lifting hooks come in many shapes, sizes, and applications to suit your needs – but it can be challenging to figure out which one is right for the job.

When rigging and lifting a load, it is important the hook is correctly positioned where the weight of the object listed is applied in the bowl or saddle of the hook. Side, back and or tip loading are conditions that reduce the hook's lifting capacity and can cause damage to the hook (see illustration below).

Are you planning your next overhead lifting project and need to specify the type of sling and rigging equipment you’ll be using? While it’s important to understand the best type of sling to use, it’s just as important to select the right type rigging hardware that will be connected to that sling. Choosing the right type of lifting hook that can be used will be determined by a number of different factors.

The term “Lifting” refers to the activity of moving heavy loads, usually above ground level, using any type of equipment, including manpower and lifting devices such as cranes, derricks, hoists, and other similar devices to support the weight being moved. The term “Rigging” refers to the method or methods of attaching a load to lifting equipment (rope lines, tie-downs, etc.) or the process of attaching a load to a crane for lifting. The rigging process also includes preparing the load (or rig) for movement, typically by securing the load to the hook of the lift line, or to some form of rigging structure that provides support and positioning while the load is lifted into position and during transportation to its destination, where it may be released or unloaded from the rigging system and placed on another piece of equipment, vehicle, container, or storage unit to move to its new location or destination after having been lifted by the rigging system.When the loading is done on land, in a port or dock, the load will usually have to travel a distance from the place where the load was loaded onto a truck or other vehicle to the place where the load will be removed from the truck or vehicle, usually at another dock or warehouse facility.

Many companies consider lifting and rigging work tasks to be high hazard. There are a lot of hazards that accompany lifting any loads with cranes or equipment. It is important to not only understand proper rigging techniques, but also the hazards that accompany this type of work task.Annually about 50 riggers are killed when loads have slipped from the rigging or when the rigging has failed. To protect workers against accident, OSHA has a series of strict rigging requirements. These requirements call for you to maintain rigging equipment, properly train employees, and more.Rigging and slinging should be considered a system, as each component (hook, shackle, cable or chain) makes up the system. Riggers should take care when using rigging and slings. The rating of the shackles utilized should be equal to or greater than the rating of the slings. Each shackle and sling should be individually load-stamped and certified. Only shackles and sling hooks that are load rated by their manufacturer, with a rating appropriate for the load, should be used.

Eye bolts are a robust and easy‑to‑install attachment point for other rigging hardware, including slings and shackles. They are among the most widely used lifting and rigging products and play a key role in industrial lifting, hoisting, towing, and anchoring. Used correctly, eye bolts are a safe and durable component in rigging assemblies.  Here, we introduce the various types of eye bolts that are available, what they're used for, and - just as important - what they should not be used for. We'll also explore how to install eye bolts to maximize safety and effectiveness. But first, we’ll provide a high-level introduction to this lifting and rigging hardware.  

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