What does a Tool and Gauge Inspector (239B) do?

Tool & Gauge Inspectors inspect, test, and adjust new and reworked tools, dies, jigs, fixtures and gauges. To become a Tool and Gauge Inspector, you are likely already working as a Tool & Die Maker.

Job Related Skills, Interests and Values

  • Reading and interpreting blueprints, charts, and schematics
  • Computing angles, radii, and other dimensions using algebra, geometry, and trigonometry
  • Verifying dimensions of machined parts or tooling; maintaining precision measuring and testing equipment
  • Testing moving parts and mechanical functions and reporting specification and tolerance deviations to supervisors
  • Maintaining accurate and complete inspection records
  • Understanding and applying safety protocols

What Preparation and Training Do You Need?

  • Secondary school diploma with senior math and English credits
  • May have experience as a Tool & Die Maker with an opportunity to specialize in the trade
  • While not mandatory, completion of a 3,000-4,000 hour apprenticeship, including on-the-job training and in-school training
  • Class sessions cover:
    • Metallurgy
    • Technical math
    • Applied physics
    • Quality assurance standards
    • Precision measuring and checking technology
    • Tooling fabrication; assembly and disassembly techniques

What's Your Future as a Tool and Gauge Inspector (239B)?

  • Shift work is common; primarily indoor industrial settings
  • Repetitive work with exposure to high noise levels, fumes, and confined spaces
  • Employers include metal product manufacturers, primary steel producers, aircraft manufacturers, machine shops, vehicle manufacturers, and machinery and equipment manufacturers

Wage Rate

Apprentice wage increases with skill and experience. Fully qualified workers average $15.00-$40.00 per hour. They are most commonly paid about $18.00 per hour.

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