Which type of hardware is typically used to connect slings to lifting equipment?

Shackles are commonly used to connect slings to lifting equipment due to their strength and reliability. They are designed to handle heavy loads and provide a secure attachment point. Shackles feature a pin mechanism that allows for easy connection and disconnection while maintaining the integrity of the lift. Their design ensures that the load is distributed evenly across the shackle, reducing the risk of failure.

Rings, though useful in certain applications, are not as versatile for connecting slings directly to lifting devices as shackles are. Hooks can also be a connection method, but they may not provide the same level of security or load-bearing capacity that shackles do, especially under heavy or dynamic loads. Bolts, while important in securing connections in various mechanical systems, are not typically used for direct attachment of slings in lifting operations, as they are more permanent installations rather than quick-release connections.

By using shackles, riggers can ensure a safe and effective connection between slings and lifting equipment, which is crucial in maintaining safety standards in rigging operations.