Rock bucket (screen bucket) is a kind of attachment widely used in the treatment of construction waste. It has advantages and characteristics that can effectively classify, screen and separate construction waste. In addition to the screening, it also can break the soil with low hardness. Screening buckets are usually installed on excavators and can be used directly at the construction sites.

During the processing of construction waste, the main role of screening bucket is to classify and screen for construction waste. First of all, the screen bucket will separate the large pieces materials in the construction waste, and these materials are usually be recycled and reuse. Secondly, the screening bucket will classify the small materials in the construction waste, and these materials can be further treated. Finally, the screening bucket will screen and separate the harmful substances in the construction waste. These substances need special treatment and disposal.

It is also often used to clean up the sludge or garbage in the river canal and ponds. The water flows from the grid, and the dirt is left in the bucket, which is convenient to separate the water from the dirt.