Circular saw blades in Hc(brazed tungsten carbide) for wet wood cutting, with medium finishing.The bores (d) include standard keyway 20 x 6 mm on bores d=60-70, and 12 x 5 mm on bore d=80.Maximum workable thickness suggested:D=250-55 mm /D=300-70 mm/D=350-95 /D=400-100