RFQ Preparation

How to Reconfirm Ball Screw Drawing Changes After Quotation

Drawing changes after quotation must reconfirm revision, end dimensions, nut style, and tolerance, and may require a requote.

drawing changerequoteend dimensionRFQ

Quick answer

If a drawing change happens after quotation, reconfirm revision number, end dimension, nut style, tolerance, cost change, lead time, and whether a requote is required before production. weimute should receive the changed drawing and a clear list of differences.

Order decision table

| Drawing change area | What to compare | Possible result | | --- | --- | --- | | Revision number | Old drawing vs new drawing | Confirms which version controls production. | | End dimension | Bearing seat, thread, keyway, shoulder | May change machining cost and lead time. | | Nut style or tolerance | Flange, preload, accuracy, tolerance | May require requote or new review. | | Commercial impact | Cost change, quantity, delivery date | Decides whether quotation remains valid. |

Confirmation checklist

  • Drawing change summary, revision number, changed pages, and responsible confirmer.
  • End dimension, nut style, tolerance, material, surface treatment, and inspection report changes.
  • Cost change, lead time change, quantity, packing, and whether a requote is required.
  • Final approved drawing, quotation number, PO status, and production release decision.

Send us the changed drawing before production

Send weimute the old drawing, new drawing, revision number, and change list after quotation. Our manufacturing and sales team will confirm whether the quotation still applies or whether a requote is needed.

FAQ

**Does every drawing change require a requote?** Not always, but changes to end dimensions, nut style, tolerance, or inspection scope often affect cost or lead time.

**Can production continue while the drawing is changing?** It is risky. Reconfirm the final revision before production release.

Next step

Turn this guide into an RFQ

When the specification direction is clear, send the details below together with quantity, lead time, and packing requirements.

Include these details

  • Model, length, quantity, purchase purpose, and target lead time.
  • Drawing, sample photos, application parameters, or old-part dimensions.
  • Packing, label, inspection, and quotation version to confirm before payment.