CNC Lathe Operations


  • Applied mathematics
  • Cutting tool assembly
  • Geometrical dimensioning and tolerancing (GD&T)
  • Inspection
  • Machine maintenance
  • Machine safety
  • Machining applications
  • Measurements
  • Operations
  • Print reading
  • Shop safety

See Certification Toolkit for a complete list of competencies.

Industry Standard

Machining Level I


  • Assessment Type: CAR
  • MET-TEC Inspection: N/A
  • Performance Affidavit: Submitted online via evaluator


  • 49 questions
  • 90-minute time limit
  • Proctor required
  • Paper version available
  • Retake policy


Visit the Credentialing Fees page for the latest pricing information.

Study Material

  • From NIMS: None at this time
  • Endorsed Third-Party Materials: Cengage Learning (textbook and study guide)

Alternative Name(s)

In 2018 NIMS streamlined the names of our credentials in order to reduce confusion. The performance and theory assessments did not change. This credential has also been referred to by these names:

  • CNC Turning Operations
  • CNC Lathe Operator
  • CNC Turning Operator