A DFM review is included with every quotation at no cost. Our engineers read the drawing, identify the details that raise cost or cause defects, and return the DFM review with the price rather than after production has started.
Key facts: DFM review
| Cost | Included with every quotation, no separate charge |
| Turnaround | Returned with the price and lead time, within 24 hours |
| Typical findings | Bend radius below material thickness, holes too close to a bend line, unnecessary tight tolerances, wrong process for the volume |
| Minimum order quantity | None — a single part is reviewed on the same basis |
What a DFM review actually looks for
Forming problems. An inside bend radius smaller than the material thickness risks cracking on the outside of the bend, and the risk is higher in stainless steel because it work-hardens. A hole placed closer to a bend line than roughly two and a half times the material thickness plus the bend radius will deform when the part is formed. Both are trivial to change on a drawing and expensive to discover on a finished batch.
Tolerances that cost without earning it. A drawing that applies a machining tolerance across every dimension pays for precision nobody uses. Tight limits belong on the features that function; elsewhere they add cost and inspection time for nothing.
Process choice against volume. The most expensive DFM finding is not a detail — it is the route. Laser cutting has no tool cost and a flat unit price; stamping has a tool cost and a much lower unit price. If your annual volume sits near the crossover, we will price both routes so you can see where it falls rather than take a rule of thumb.
Finish specified too late. Plating, coating and passivation are separate operations. A finish decided after tooling is a re-quote; the same finish decided at drawing stage is a line item. Our metal surface treatment page covers the options and where each is appropriate.
What the review cannot do
A DFM review is a manufacturing opinion, not a design validation. We assess whether the part can be made accurately and economically by the route proposed. We do not certify that it will perform its function, pass an end-use test, or meet a regulatory requirement — those are the buyer’s engineering and compliance steps, and claiming otherwise would be dishonest.
What we will do is say plainly which features we cannot hold, and that is usually the most useful part of the document. Where material selection is open, our materials guide explains how grade affects both formability and cost, and comparison guides cover the process decisions that come up most often.
The review is part of the quotation, so there is nothing to request separately. Send the drawing through request a quote and it comes back with the price. Material and test standards referenced are those published by ASTM International.
Frequently asked questions
Is a DFM review free, and when do I get it?
A DFM review is included with every quotation at no cost, and it is not a separate service to request. Our engineers read the drawing, identify the details that raise cost or cause defects, and return the review with the price and lead time rather than after production has started.
What does a DFM review usually find?
Common findings include a bend radius below the material thickness, holes placed too close to a bend line, tolerances applied where they earn nothing, the wrong process for the volume, and a finish specified too late. Forming problems are more likely in stainless steel because it work-hardens, and each is far cheaper to fix on a drawing.
Does a DFM review guarantee my part will work?
No. A DFM review is a manufacturing opinion, not a design validation. We assess whether the part can be made accurately and economically by the route proposed. We do not certify that it will perform its function, pass an end-use test or meet a regulatory requirement; those are the buyer engineering and compliance steps.