Quick answer
A ball screw RFQ with drawing can move directly into manufacturability review. An RFQ without drawing can still start, but it must include measured dimensions, photos, machine use, quantity, and tolerance expectations. weimute can support both paths, but the quotation accuracy depends on how clearly the unknowns are marked.
Buyer decision table
| RFQ condition | Best first action | What weimute can quote | | --- | --- | --- | | Complete drawing available | Send drawing, quantity, packing, and delivery target | Production-ready price and lead time. | | Drawing missing but old part available | Send old-part photos and measured dimensions | Replacement estimate and missing-dimension list. | | Only model code known | Send model, length, nut type, machine, and quantity | Standard or near-standard option check. | | Design still changing | Send target stroke, load, speed, and support plan | Selection guidance and budget range. |
Drawing or no drawing evidence
With drawing, send the 2D drawing and 3D file if available. Without drawing, send old part photos, measured dimensions, application information, and ask for engineering review before final production.
RFQ checklist
- With drawing: include total length, thread length, end machining, nut drawing, tolerance, and surface treatment.
- Without drawing: measure diameter, lead, total length, thread length, shaft ends, nut shape, and mounting holes.
- Always include: quantity, machine type, application, destination, packing request, and delivery target.
- Mark uncertainty clearly: write "to confirm" beside any dimension that is estimated.
Send us the best file you have
Send weimute the drawing if you have it; if not, send photos and measurements. Our manufacturing and sales team will reply with a required-dimension list so the RFQ can move from rough inquiry to quotable specification.
FAQ
**Is a hand sketch useful?** Yes, if it shows the end machining sequence, main diameters, lengths, thread, and bearing positions.
**Can a supplier copy from photos only?** Photos help identify style, but measured dimensions are still required before manufacturing.
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.


