Martin Industrial Quadra-Flex Coupling Flange, model 7S1-7/8-4-5/8, is a component of the Quadra-Flex coupling family. It features a bore of 1-7/8 inches and a flange dimension of 4-5/8 inches. This flange is used to join drive and driven shafts in equipment that uses Quadra-Flex couplings.
