Typical CNC lead times from China
The honest answer is that lead time depends on phase. Prototype parts run 5–15 days (5–7 business days for quick-turn aluminum and steel). Pilot batches of 50–200 pieces take 15–25 days including first-article inspection. Ongoing production batches run 20–30 days after FAI approval. Add 5–10 days for surface treatment and 3–7 days air freight or 25–35 days ocean freight on top.
| Phase | Typical Lead Time | Notes |
|---|---|---|
| Prototype (1–20 pcs) | 5–15 days | 5–7 business days for quick-turn aluminum/steel |
| Pilot batch (50–200 pcs) | 15–25 days | Includes first-article inspection (FAI) |
| Production (500+ pcs, recurring) | 20–30 days | After FAI approval, stable for repeat batches |
| Surface treatment | +5–10 days | Anodizing, passivation, coating |
| Air freight | +3–7 days | Door-to-door, customs included with DDP |
| Ocean freight | +25–35 days | Including customs clearance |
What actually drives lead time
Setup and programming dominate small orders — CAM programming, fixture design and first-article setup can take 2–8 hours and are amortized across the batch. On a 5-piece prototype run, setup can account for 40–60% of total cost and time. Material procurement adds days if the alloy is not in stock, tight tolerances slow feeds and add finishing passes, and surface treatment is a fixed 5–10 day process regardless of part size.
Prototype vs production: how timelines differ
The criteria change between phases. Prototype procurement prioritizes speed and iteration — the first article verifies geometry, material and function. Production requires process maturity, inspection systems and batch traceability, which is why production lead times are longer but stable. Treat each phase as a qualification gate: verify critical tolerances on CMM at prototype, verify consistency on 5–10 random samples at pilot, and track on-time delivery across 3+ batches before committing recurring volume.
How much time does shipping add?
Shipping is where many first-time buyers lose their schedule. Air freight adds 3–7 days door-to-door; ocean freight adds 25–35 days including customs. DDP (delivered duty paid) removes the surprises — export, customs, duties and last-mile delivery are handled in one invoice, so the timeline you are quoted is the timeline you get. Choose air for prototypes and time-critical runs, ocean for production volume with a rolling forecast.
How to shorten your lead time
Five moves consistently cut weeks off sourcing schedules: send complete drawings with material, tolerance and finish specified; order raw material in advance; use DFM review before quoting so rework never happens after programming starts; give the supplier a rolling 3-month forecast so they reserve capacity; and start prototypes while production programming is still being finalized. A supplier with visibility into your pipeline quotes shorter, more honest lead times.
What a realistic end-to-end timeline looks like
A realistic first-order timeline from first contact to parts in hand: day 1–2 drawing review and DFM feedback, day 3 quote, day 5 order confirmation and material procurement starts, day 5–15 prototype machining and FAI, day 15–25 pilot batch, then 3–7 days air or 25–35 days ocean. From first contact to air-freighted parts in hand: roughly 3–4 weeks for prototypes. Plan production volume with the 20–30 day batch window plus freight on top.
Frequently Asked Questions
What is the typical lead time for CNC prototype parts from China?
5–15 days depending on complexity, with quick-turn prototypes at 5–7 business days for machined aluminum and steel parts. Surface treatment such as anodizing adds 5–10 days, and air freight adds 3–7 days to delivery.
How long do pilot batches and production runs take?
Pilot batches of 50–200 pieces typically take 15–25 days including the first-article inspection. Ongoing production batches after FAI approval run 20–30 days, plus 5–10 days for surface treatment and shipping time.
What drives CNC lead time the most?
Setup and programming dominate small orders — CAM programming, fixture design and first-article setup can take 2–8 hours and are amortized across the batch. Material procurement, tolerance requirements (slower feeds and finish passes for ±0.005 mm), surface treatment and quantity all add time.
How much time does shipping from China add?
Air freight typically adds 3–7 days door-to-door; ocean freight adds 25–35 days including customs. DDP shipping covers export, customs, duties and last-mile delivery in one invoice, which removes customs surprises from your timeline.
How can I shorten my CNC lead time?
Send complete drawings with material, tolerance and finish specified, order raw material early, use DFM review before quoting to avoid rework, and give the supplier a rolling forecast so they reserve capacity. Prototypes can start while production programming is still being finalized.
Why does the first batch take longer than later batches?
The first batch includes programming, fixture design and the first-article inspection (FAI). Once the process is approved, repeat batches run faster and more predictably — that is why established suppliers hold stable production lead times after the initial qualification.