... Use for the rotate connection parts of printer, copy machine, fax machine, toys 1. metal shafts, rotating shaft, axis of rotation, revolving shaft, moment axis, ... : nickel/ zinc plated, galvanized, powder coated5.Use for the rotate connection parts of printer, copy machine, fax machine, laptops, computer, ... 's requirements. rotating shaft/ metal shaft/ precision parts/axis/ axles/automatic lathe parts