“MOQ 5,000 pieces.” For a hardware startup, a specialised equipment maker or a brand testing a new product, that line in a quotation ends the conversation. Small batch manufacturing — roughly from tens to a few thousand units — is a different discipline from mass production: the goal is not the lowest unit price, but the lowest total cost and risk for the quantity you actually need.
Why factories push back on small orders
- Setup, programming and line changeover cost the same whether they make 50 or 50,000 parts.
- Material suppliers have their own minimums (resin, sheet, components).
- Finishing lines (anodizing, plating, painting) often charge per batch.
- Small orders interrupt scheduling of large ones.
Understanding this helps you negotiate: you are not asking for a lower price per part, you are asking the supplier to amortise fixed costs over fewer units — or to use a process with lower fixed costs.
Choose the process by quantity
| Quantity (typical) | Plastic parts | Metal parts |
|---|---|---|
| 1–50 | 3D printing (SLA, SLS/MJF), CNC machining | CNC machining, sheet metal |
| 50–500 | Vacuum casting, SLS/MJF, aluminum molds | CNC machining, sheet metal (laser cut + bend) |
| 500–5,000 | Aluminum or bridge injection molds | CNC with dedicated fixtures, sheet metal; consider casting or extrusion + machining |
| 5,000+ | Steel injection molds | Die casting, stamping, forging + finishing |
Boundaries depend heavily on part size and complexity. Read low-volume injection molding and CNC machining cost drivers.
Design for low volume
- Prefer processes with no or cheap tooling: machining, laser-cut and bent sheet metal, printing.
- Use standard materials, stock sizes, fasteners and finishes that suppliers keep in stock.
- Reduce the number of unique parts — one part used twice is cheaper than two similar parts.
- Design so the low-volume process can later be replaced by a high-volume one without changing the interfaces.
- Avoid finishes with high per-batch minimums unless they are essential.
Batch and order strategies
- Annual quantity, scheduled releases: agree pricing on a yearly quantity but take delivery in batches. Suppliers can plan material and you avoid holding all the stock.
- Combine parts per supplier and process to make one order attractive.
- Hold critical components yourself when they have long lead times or high minimums.
- Keep tooling and programs ready for re-orders: ask the supplier to store fixtures and CNC programs, and document everything so re-orders reproduce the approved part.
Quality in small batches
With small quantities every defective part matters. Use a first article inspection for every new batch, not just the first order, and keep the approved sample as reference. See quality control in China manufacturing.
When small batch is the wrong answer
If demand is proven and volumes will clearly exceed a few thousand units per year, investing in production tooling early is usually cheaper over the product’s life. Small batch is a strategy for uncertainty and low volumes — not a permanent substitute for volume manufacturing. See our small batch manufacturing capability, or tell us your quantities and we will suggest the most economical route.