GMN is a world leading manufacturer of precision ball bearings and high frequency grinding and machining spindles. We offer manual and automatic tool change styles with a wide range of tool interfaces and accessories. Customized motor drive solutions can be offered for test benches and similar applications, where high frequency and high power come together. GMN USA is the only North American subsidiary for GMN spindles. Our facility in Bristol, Connecticut builds and repairs GMN spindles as well as most other manufacturers spindles, also offering extra service as "spindle hotel & storage" for all GMN types.