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Made In America since 1946

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Inspection Processes and Equipment.

At DSP, we’ve put in place the following processes and equipment to serve our customers. Below you will find a sampling of key processes and equipment that support our quality management system.

Quality Control Process

  • Our set-up machinist documents dimensions for the first piece
  • Our quality control personnel check and document dimensions for first-piece inspection
  • Operators document all dimensions every four hours
  • Quality control completes and documents final inspection of parts and packaging before approving for shipment
  • All inspection sheets, certifications and other documentation are saved electronically for an ongoing record

Quality Control Equipment

  • CMM
  • Optical comparator with edge sensing
  • Pin and plug gauges
  • Thread plug and ring gauges
  • Digital micrometers and calipers
  • Height gauges
  • Surfometer
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Lt. Gov. Kim Reynolds and I visited Dubuque Screw Products back in November 2015 and were impressed by their commitment to quality and service. Dubuque Screw Products is an example of the type of Iowa business we are proud to support and watch grow in Iowa.

- Gov. Terry E. Branstad,

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