Importers of HS 9405.11 (of brass) from Thailand actually paid 15.69% on the taxed portion of the value in 2026-06 — 15.2% 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 4.72% → 15.69%, with the largest single step -6.7pp in 2026-03. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 3.9% — importers actually paid 15.69%, so the trade-war overlay added 11.8 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "9405.11", origin: "Thailand") · see it at trimtabist.com/tariffs
HS 9405.11. The schedule base rate is 3.9%; importers from Thailand actually paid 15.69% on the dutiable value in 2026-06 — the trade-war overlay added 11.8 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 4.72% (2023-07) → 15.69% (2026-06), largest single step -6.7pp in 2026-03.
Thailand's lower duty (15.2% vs 40.57%) lets it price up to 22% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Thailand actually lands cheaper — $9.38/kg vs $10.15/kg (duty in, freight out).
All goods from Thailand · the whole tariff ledger · reproduce: tariff_story(hs: "9405.11", origin: "Thailand") via /connect. Not customs or legal advice.