Which HS code applies to plastic injection moulding and tooling?
Confidence 4/5 Established practice
HS classification for plastic injection moulding and tooling:
The mould itself is classified under 8480.7x (moulds for rubber or plastics). The finished plastic part usually falls under chapter 39, with 3926.90 as the residual heading when no specific heading applies.
Sources
- Injection mould tooling cost and lead-time benchmarks — Industry practice; consistent across published supplier guidance
- Moulds under HS heading 8480 — World Customs Organization HS nomenclature
What goes wrong with plastic injection moulding and tooling
- Cutting a mould for a product with unproven demand. Validate the market with machined or printed units first.
- Not naming the steel grade. A 718H or a P20 mould behaves very differently to a soft prototype tool at 100,000 shots.
- Skipping the DFM review. A part designed without draft angles, uniform wall thickness or adequate radii will mould badly or not at all.
- Assuming one cavity. Multi-cavity tools multiply output and cost together, and the right answer depends on annual volume, not on the first order.
- Forgetting that the tool has a finite shot life and needs maintenance.
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