... 8-3.2mm Hole dimater: 20, 20/25.4/30mm Teeth number: 20,30,40,60,80,100,120 20" TCT Circular Saw Blades ... for Wood The specification: Diameter: 110mm-500mm(4"-20") Body thickness: 1.5-3.0mm Packing detailes: 4" ... W: 17KGS Cutting wide: 1.8-3.2mm Hole dimater: 20, 20/25.4, 25.4/30mm Tooth number: 20T, 30T, 40T, 60T, 80T ... 2 1.820 40T 50T 60T6"1501.2 1.820/25.4 30T 40T 60T 80T 100T7"1801.45 2. ...