This standard lays down the basic dimensions and tolerances in millimetres for headless and headed matrixes, with standardized relief diameter, in the outside diameter range of 5 mm to 50 mm. It gives examples of material and hardness, and specifies a designation of matrixes which meet the requirements of this Iternational Standard. Round matrixes in accordance with ISO 8977 are adapted in their dimensions and tolerances to meet the required for punches in accordance with ISO 8020.#,,#