Rumco Fastener is a provider of custom design and manufacturing of two- and three-piece, standard machine screws. Its products include cold-heated fasteners, machine screws, sheet metal and tapping screws, weld screws, rivets, specialty screws and thumb screws. The company is a subsidiary of MW Industries. MW Industries is a manufacturer of coiled springs, rings, fasteners, constant-force springs, clock springs, stampings, spring washers, wireforms and racing components. Its products are utilized in a variety of markets, including agriculture, auto racing, automobiles, aviation and aerospace, computers, electrical applications, energy, hand and power tools, transportation, medical equipment, off-road machines, outdoor power equipment, retail products and telecommunications. Rumco Fastener is located in Elk Grove Village, Ill.

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