Shaft couplings and shaft-hub connectors in rigid, torsionally rigid, torsionally elastic, axially and angularly moveable form, cardan shafts and cardan joints [parts of machines]; mechanically, hydraulically or pneumatically operated clamping sets and clamping elements for fixing moving parts on machines, in particular clamping sleeves and pressure sleeves, guide bushings, including round guide elements, adjusting and tensioning nuts, lock nuts, groove nuts, shaft nuts; guide gibs, including...