Importers of HS 9405.42 (other) from Thailand actually paid 14.58% on the taxed portion of the value in 2026-06 — 14.46% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 3.9%. Over the window the rate on the taxed portion moved 4.5% → 14.58%, with the largest single step +6.9pp in 2025-09. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 3.9% — importers actually paid 14.58%, so the trade-war overlay added 10.7 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "9405.42", origin: "Thailand") · see it at trimtabist.com/tariffs
HS 9405.42. The schedule base rate is 3.9%; importers from Thailand actually paid 14.58% on the dutiable value in 2026-06 — the trade-war overlay added 10.7 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 4.5% (2023-07) → 14.58% (2026-06), largest single step +6.9pp in 2025-09.
Thailand's lower duty (14.46% vs 34.2%) lets it price up to 17.2% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $8.64/kg vs $11.89/kg (duty in, freight out).
All goods from Thailand · the whole tariff ledger · reproduce: tariff_story(hs: "9405.42", origin: "Thailand") via /connect. Not customs or legal advice.