Importers of HS 7307.19 (ductile fittings) from Thailand actually paid 33.93% on the taxed portion of the value in 2026-06 — 33.93% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 5.6%. Over the window the rate on the taxed portion moved 6.04% → 33.93%, with the largest single step +20.8pp in 2026-04. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 5.6% — importers actually paid 33.93%, so the trade-war overlay added 28.3 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "7307.19", origin: "Thailand") · see it at trimtabist.com/tariffs
HS 7307.19. The schedule base rate is 5.6%; importers from Thailand actually paid 33.93% on the dutiable value in 2026-06 — the trade-war overlay added 28.3 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 6.04% (2023-07) → 33.93% (2026-06), largest single step +20.8pp in 2026-04.
Thailand's lower duty (33.93% vs 59.15%) lets it price up to 18.8% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $3.61/kg vs $5/kg (duty in, freight out).
15 Chapter-99 measures name Thailand; scope mapping is partial (several annexes are PDFs) — absence never means exemption. They do not sum, and some are product-specific — the collected rate above is the composed truth.
All goods from Thailand · the whole tariff ledger · 6 CBP rulings cite this code · reproduce: tariff_story(hs: "7307.19", origin: "Thailand") via /connect. Not customs or legal advice.