Whether a drill head is equipped with scrapers and/or disc cutters depends on the specific geological conditions. scrapers are mainly used for cutting and scraping in cohesive, loose rock, such as clay, loam or soft clay slate. Depending on the individual specifications of the rock, different designs are required, placing the highest demands on material quality. Mika offers both standard scrapers as well as various adaptations for the setting of mixer heads or cutting heads, from steel bases with hard coatings of different quality grades to carbide plates and carbide inserts.