Custom hardware and fasteners: MOQ, tooling, lead time and landed cost
Confidence 4/5 Established practice · review by 2026-12-31
Hardware looks like a commodity and behaves like one until a finish or a tolerance is specified, at which point the price moves. Screws, brackets, hinges and fittings are cheap per unit and expensive per mistake, because a defective batch of ten thousand is discovered by the customer rather than in inspection.
Quick answers
| Minimum order quantity | 10,000+ pieces for a cold-formed or headed custom fastener, because the dies are cheap but the set-up is per-run and the machines run fast. Standard parts in stock have no meaningful minimum. |
| Lead time | Custom: 20–35 days including die and first-off samples. Standard stock parts: 5–10 days. |
| Tooling | Cold-heading dies and thread-rolling dies: USD 200–800 for a simple part. Stamping dies: USD 500–5,000. Quoted separately. |
| Unit cost | Roughly USD 0.01–0.20 per piece at 50,000+ for a small fastener, with material and finish driving most of the variation. |
| HS classification | 7318 covers screws, bolts, nuts and similar threaded articles of iron or steel; 8302 for hinges, brackets and mountings; 7616.10 for aluminium nails, screws and similar. The material and the thread decide it. |
| Certification | Grade matters: a "stainless" screw that is actually 201 rather than 304 will rust. Ask for the material certificate, and for plating thickness specification if corrosion resistance is claimed. |
| Duty | Fastener imports into the US and EU have attracted anti-dumping and countervailing duties in some categories and origins, which can exceed the base tariff by a large margin. This is a category where the duty question must be asked explicitly. |
Common mistakes
- Specifying a finish by appearance instead of by standard, then getting a coating that fails in salt spray.
- Accepting a lower stainless grade without noticing.
- Not specifying thread tolerance and discovering the parts do not mate.
- Assuming standard parts are always available; Chinese "standard" dimensions sometimes follow GB rather than DIN or ANSI.
- Ignoring anti-dumping exposure on fasteners.
Detailed answers
Sources
- Fastener manufacturing MOQ and tooling practice — Industry practice; varies by process and material
- Screws, bolts and nuts under HS 7318 — World Customs Organization HS nomenclature
- Anti-dumping and countervailing duty orders on fasteners — US International Trade Commission
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