Crown drill for 80 mm wall by Yato A tool made of high quality CR 40 alloy steel, equipped with 8 cutting teeth from TCT YT-11 C carbide A lace with a length of 50 mm and a diameter of 80 mm is perfect for drilling in concrete, bricks, blocks, blocks The Hex 12 mm fixing holder is fastened with a drill with a 16 m screw The use of a 6 mm governing drill and additional holes for the drainage of spoils affect the quality and comfort of work It is perfect for drilling holes for electric can.