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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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I was impressed by the Scherr family’s commitment—Dubuque Screw Products—to a quality work environment for many in the Dubuque area. This family company and the apprenticeship program they have will be instrumental to the growth in Dubuque for years to come.

- Lt. Gov. Kim Reynolds,

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