9 Questions to Ask a Machine Shop

Updated November 6, 2026

What Should You Ask a Machine Shop Before Hiring Them?

Ask a machine shop for a written estimate with every cost listed, what certifications apply, what warranty covers the work, and when it will be done. Typical turnaround is 1–4 weeks, with rush work sometimes available, though it varies by job and season. Get the answers in writing before you approve any work.

Updated November 6, 2026 · Source: workshop.broker planning guide (our own assumptions, not survey data); always compare written quotes.

Photo illustration for the guide: 9 Questions to Ask a Machine Shop

Most shop disputes come from something nobody put in writing: a price that grew, a part that was not what you expected, a warranty that turned out shorter than you thought. Take these questions to every machine shop you talk to, compare the answers side by side, and keep the important ones on paper.

Typical turnaround: 1–4 weeks, with rush work sometimes available. Ask for a realistic date on your specific job.

The Questions

  1. Can I get a written quote with material, labor, finish and delivery listed separately?
  2. What do you need from me: drawing, sketch, photos or measurements?
  3. Are your welders certified, for example to an AWS code, for this kind of work?
  4. What is your shop rate and your minimum charge?
  5. What is the lead time, and what could delay it?
  6. Do you carry liability insurance, and do you install on site?
  7. What tolerances can you hold for this part?
  8. Is there a setup charge, and how does the price change with quantity?
  9. Do you source the material or should I?
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Tips

Before You Approve the Work

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