Importers of HS 8411.99 (other) from Korea, South actually paid 4.55% on the taxed portion of the value in 2026-06 — 4.37% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 2.4%. Over the window the rate on the taxed portion moved 2.4% → 4.55%, with the largest single step +7.5pp in 2026-01. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 2.4% — importers actually paid 4.55%, so the trade-war overlay added 2.1 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8411.99", origin: "Korea, South") · see it at trimtabist.com/tariffs
HS 8411.99. The schedule base rate is 2.4%; importers from South Korea actually paid 4.55% on the dutiable value in 2026-06 — the trade-war overlay added 2.1 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 2.4% (2023-07) → 4.55% (2026-06), largest single step +7.5pp in 2026-01.
Korea, South's lower duty (4.37% vs 26.58%) lets it price up to 21.3% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Korea, South actually lands cheaper — $19.78/kg vs $20.57/kg (duty in, freight out).
All goods from South Korea · the whole tariff ledger · reproduce: tariff_story(hs: "8411.99", origin: "South Korea") via /connect. Not customs or legal advice.