A.MANNESMANN MASCHINENFABRIK GmbH is a group-independent company that specializes in the manufacture of geometrically sophisticated, high-precision machine components. The product portfolio includes ball screws, boring spindles, machine elements as well as special solutions. The workpieces are manufactured individually at up to 15 meters in length according to drawings of customers worldwide. The unit of measure for the production tolerances is the micrometer (even for large dimensions). All machining operations are carried out in-house. These also include thermal treatments such as stress relief annealing and nitriding in vertical furnaces. A.MANNESMANN continuously works on improving its products as a technology leader of high-performance ball screws and boring spindle units.