Description : The most common application for the SR rotary screening bucket is the grading of loaded materials for reuse on construction sites. (Backfilling trenches or bottomworks). By selecting the drum mesh, the SR can be used to screen demolition waste, earth, foundry slag, quarry waste, gravel, sand, glass, tiles, gypsum, compost, etc... This screening phase enables already-calibrated products to be transported, reducing the volume transported. Interchangeable drums are available with different mesh sizes ranging from 20 to 100 mm (0.8 to 4 inches).