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Find rugged rigid couplings at Grainger. Whether constructed of durable stainless, zinc-plated or oxide-plated steel, a rigid coupling can perform well in applications where alignment is a must and flexibility and backlash are not required. Two-piece rigid shaft couplings can be easy to install because they wrap around shafts without having to disassemble any machinery. They also come with antivibration hardware that helps prevent the shaft from damage. Get your rigid couplings at Grainger!