Before the test
- Label each blank and drawing
- Agree inspection features
- Record material and surface condition
buying guide
A useful sample test starts with identified material, controlled drawings, agreed inspection methods and a recorded machine configuration. Test recurring and difficult parts, then keep the evidence with the quotation review.
Start with fit
Compare consistently
Work through the decision
Clarify before buying
Buyer-provided recurring and risk parts give a more relevant test; supplier samples can be supplementary.
Traceable inputs, an exact configuration record, agreed settings policy and a defined inspection method.
RFQ next step