Importers of HS 3926.30 (handles and knobs) from Korea, South actually paid 11.22% on the taxed portion of the value in 2026-06 — 10.33% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 6.5%. Over the window the rate on the taxed portion moved 5.95% → 11.22%, with the largest single step -4.1pp in 2026-03. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 6.5% — importers actually paid 11.22%, so the trade-war overlay added 4.7 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "3926.30", origin: "Korea, South") · see it at trimtabist.com/tariffs
HS 3926.30. The schedule base rate is 6.5%; importers from South Korea actually paid 11.22% on the dutiable value in 2026-06 — the trade-war overlay added 4.7 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 5.95% (2023-07) → 11.22% (2026-06), largest single step -4.1pp in 2026-03.
Korea, South's lower duty (10.33% vs 21.56%) lets it price up to 10.2% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $3.36/kg vs $19.18/kg (duty in, freight out).
All goods from South Korea · the whole tariff ledger · 3 CBP rulings cite this code · reproduce: tariff_story(hs: "3926.30", origin: "South Korea") via /connect. Not customs or legal advice.