Importers of HS 8466.20 (for machine tools used in cutting gears) from Korea, South actually paid 10.04% on the taxed portion of the value in 2026-06 — 10.04% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 4.6%. Over the window the rate on the taxed portion moved 3.7% → 10.04%, with the largest single step +7.6pp in 2025-04. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 4.6% — importers actually paid 10.04%, so the trade-war overlay added 5.4 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8466.20", origin: "Korea, South") · see it at trimtabist.com/tariffs
HS 8466.20. The schedule base rate is 4.6%; importers from South Korea actually paid 10.04% on the dutiable value in 2026-06 — the trade-war overlay added 5.4 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 3.7% (2023-07) → 10.04% (2026-06), largest single step +7.6pp in 2025-04.
Korea, South's lower duty (10.04% vs 38.05%) lets it price up to 25.5% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $9.01/kg vs $16.2/kg (duty in, freight out).
All goods from South Korea · the whole tariff ledger · reproduce: tariff_story(hs: "8466.20", origin: "South Korea") via /connect. Not customs or legal advice.