Diamond is hard, so tools made are especially suitable for processing hard and brittle materials, especially non-metallic materials, such as stone, wall tiles, glass, ceramics, concrete, refractories, magnetic materials, semiconductors, gems, etc. They can also be used for processing non-ferrous metals, alloys, wood, such as copper, aluminium, cemented carbide, quenching, etc. Steel, cast iron, composite wear-resistant wood board, etc. At present, diamond tools have been widely used in construction, building materials, petroleum, geology, metallurgy, machinery, electronics, ceramics, wood, automobile and other industries.

According to their different uses, diamond tools are mainly divided into several categories: diamond grinding tools, diamond sawing tools, diamond tools, diamond drilling tools and so on.