Stein’s precision machining expertise coupled with quality controls built into every step of the process means that our products not only meet, but also exceed the most stringent industry and military standards. The range of our capabilities allows us to produce small to very large components with tolerances anywhere from a fraction of an inch to a thousandth of an inch, and with surface finishes and flatness’ measured in millionths of an inch.

As a result of our commitment to manufacturing quality, Stein has achieved a wide range of certifications, including ISO 9001:2015, AS9100D, National Aerospace and Defense Contractors Accreditation for Welding (NADCAP-FPI-MPI). We are also rated a Self-Release Supplier for most of our aerospace customers and are certified to perform our own audits.

Quality Processes

Our expert machining, fabrication and assembly services are backed by manufacturing quality processes

  • Six Sigma
    • concepts of Statistical Process Industry
    • Design for Manufacturability
    • Failure Modes Effects
  • Criticality Analysis (FMECA)

Contact Stein Seal about Expert Machining