Questions to ask a machine shop before you send a job

What materials and sizes can you handle? Confirm the shop works in your material and part size.

What tolerances can you hold? Ask for the tolerances they routinely meet.

What's the lead time? Ask for both prototype and production timing.

How do you inspect parts? Ask what inspection and documentation come with the job.

Who owns the drawings? Agree on confidentiality before you send files.