The cutting discs are also like grinding discs with a few differences. Usually, the cutting discs are a tad bit thinner than the grinding discs. The grinding discs are usually used for heavy works. You can put some pressure on the grinding disc while doing your work and it would work nicely. But the cutting discs can not bear heavy pressure. They are used more for non-metal works where you don’t need to put heavy pressure. The cuttings discs are easier to work when the other materials are ceramic or tiles or marbles. It can be used on concretes too. As you can understand, cutting and grinding discs are almost alike but you need to be careful when choosing. Figure out the place where it will be used and then choose.