A bucket is a specialized container attached to a machine, as compared to a bucket adapted for manual use by a human being. It is a bulk material handling component. The bucket has an inner volume as compared to other types of machine attachments like blades or shovels.
The bucket could be attached to the lifting hook of a crane, at the end of the arm of an excavating machine, to the wires of the dragline excavator, to the arms of a power shovel or a tractor equipped with a backhoe loader or to a loader, or to a dredge.
Excavator bucket are made of soil steel and generally present teeth producing from the cutting edge, to disrupt hard materials and avoid wear and tear to the bucket.