Pick up flex coupling hubs or flanges from Grainger to help complete your shaft couplings. Couplings help protect equipment from misalignment, vibration and shock loads. Each unit consists of two hubs or flanges and one insert. S-flex flanges feature a keyway and two set screws and offer a choice of zinc alloy, cast iron and powdered metal construction. Low carbon steel DuraFlex hubs feature one setscrew over the keyway. Shop Grainger for coupling hubs today.
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