1. The thickness is different: the grinding disc is thick, and the cutting disc is thin. The thickness of the cutting disc with a diameter of 100 is about 1 mm, while the thickness of the grinding disc with a diameter of 100 is more than 10 mm. The cutting blade is thin, so that there is less waste of material, and the resistance during cutting is also small. If you use it to grind, the force will be applied on the side, and the thickness of the grinding disc will be broken at once, so that it can withstand a large lateral force. When you use it to cut, it will not move down.
2. Different uses: grinding discs are used for grinding. For example, the burr on the surface of the workpiece needs to be polished, and the welding tumor on the surface of the workpiece needs to be polished. At this time, the grinding disc is installed on the angle grinder to grind off the burr and smooth the welding tumor; while the cutting disc is used for cutting. For example, if you want to cut a 2-meter-long channel steel into two sections, you need to use a cutting blade.
