Diamond is hard, so the tools made are especially suitable for processing hard and brittle materials, especially non-metallic materials, such as stone, wall and floor tiles, glass, ceramics, concrete, refractory materials, magnetic materials, semiconductors, gems, etc.; it can also be used for processing colored materials. Metal, alloy, wood, such as copper, aluminum, hard alloy, hardened steel, cast iron, composite wear-resistant wood board, etc. At present, diamond tools have been widely used in industries such as construction, building materials, petroleum, geology, metallurgy, machinery, electronics, ceramics, wood, and automobiles.

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