The short answer
A complete RFQ is one that lets a good supplier quote without three rounds of clarification. That means geometry, material, finish, quantity, timing, and quality requirements are all visible at the start.
What to include every time
Send the 3D model and the 2D print if both exist. Include part number, revision, quantity by lot and annual demand if known, material spec, finish spec, critical tolerances, and any required certifications. Add target ship date and destination if freight or packaging matters.
If this sounds obvious, good. Most bad RFQs fail on exactly these basics.
What changes the quote fast
Blanket tight tolerances, special inspection reports, approved special processes, controlled export data, and raw material traceability all change price. Mention them up front. Do not let them emerge after the first quote and act surprised when the supplier re-prices.
Also tell the supplier whether you are buying prototype, bridge, or production. That affects process choice.
What suppliers need to know but buyers often hide
Name the function-critical features. Say whether alternates are welcome. Say whether domestic-only manufacturing is required. Say whether secondary processes can be subcontracted. Say whether first article, PPAP, or source inspection is expected.
That is not oversharing. That is how serious buyers get serious quotes.
A simple RFQ template
Part number and revision. Quantity and demand profile. Material and condition. Finish and color if relevant. Critical dimensions and datum features. Required certs and reports. Packaging rules. Need-by date. Shipping location. Commercial terms if they affect the route. Contact for technical questions.
If you send that package, response quality improves immediately.
What an experienced buyer does next
Related reading: Thread callout guide: UNC, UNF, metric - how to specify them correctly.
The right move is usually to define the real functional requirement, remove the decorative requirements, and let the supplier build a route around what actually matters.
Comparison table where relevant
| RFQ field | Why it matters | Common mistake |
|---|---|---|
| Revision-controlled print/model | Prevents quote on wrong geometry | Sending obsolete rev |
| Material and condition | Drives process and cost | Saying only 'steel' |
| Quantity profile | Changes process economics | Sending one piece with no forecast |
| Quality package | Changes route and price | Mentioning FAI or certs too late |
How to specify this in your RFQ
Spell out drawing revision, quantity, material, finish, certs, quality reports, and lead-time target in the email body, not just in attachments. Suppliers skim. Make the commercial and technical must-haves impossible to miss.
A clean RFQ does not just list requirements. It separates must-haves from preferences so the supplier can optimize where it is safe.
Have a part that needs quoting? Email your drawings to rfq@precisionmachining.co -
we return a competitive quote within 24 hours. Phone: +1 312-579-0808.