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Category: Compression Springs
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About

Metal BellowsMW Industries, Inc. (MWI) is comprised of several manufacturing locations and headquartered in Rosemont, Illinois. We are the largest and most diversified specialty spring and fastener manufacturer in the United States. Through decades of growth, innovation, and dedication, MWI has proven to be a world-class supplier of custom springs, fasteners and metal stampings.

MWI has expertise in several key areas:

  • Customer service capabilities that include expert technical support, highly-trained field and inside sales engineers, quick response product delivery and e-commerce convenience.
  • Production technologies applied to spring coiling, fastener manufacturing; flat stamping and heat-treating in a wide range of material types and sizes.
  • Engineering excellence in metallurgy, CAD design, CAE analysis, fatigue testing and performance analysis.
  • Dedication to quality, as evidenced by our ITAR, ISO, TS and AS-9100 certifications, as well as compliance with many of our customers' and end-use industry performance standards.
Custom Machined PartsThe continued expansion of MWI and its locations into niche product lines, has the added benefit of sharing new product and production technologies with all locations.

Our Capital Spring location has been manufacturing high-quality extension springs, torsion springs, compression springs, wire forms, fourslide parts and small metal stampings since 1945. To improve throughput, repeatability, and reduce costs, Capital evaluates and employs the latest CNC coiling technology and implements new manufacturing techniques. Their dedication to delivering total custom service and employing skilled technicians allow customers to rely on them to design, prototype and supply products that meet or exceed their requirements.

Capital Spring strategically caters to a wide variety of markets in order to more easily weather the cyclical nature of business. By design, the largest market Capital serves represents approximately 18 percent of Capital's annual sales. A few of those markets are Automotive Tier 1 and 2, aviation and aerospace, outdoor power equipment, power distribution, safety restraints, valve manufacturers, and the U.S. Military and Government.

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Technical Articles

Capital Spring and Customer Support: Engineering a Packaging Solution (Springs) High-quality extension springs, torsion springs, compression springs, wire forms, fourslide parts and small metal stampings have been manufactured by Capital Spring, an MW Industries Company, since... (View Full Article)
Small Investment Solves Snarled Torsion Spring Situation (Springs) There's more to Capital Spring than just the production of various springs. Design and manufacturing modifications that resolve larger production and quality issues for clients have long been a... (View Full Article)