Importers of HS 8301.20 (locks of a kind used on motor vehicles) from Canada actually paid 12.28% on the taxed portion of the value in 2026-06 — 0.06% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 5.7%. Over the window the rate on the taxed portion moved 5.7% → 12.28%, with the largest single step -27.7pp in 2025-06. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 5.7% — importers actually paid 12.28%, so the trade-war overlay added 6.6 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8301.20", origin: "Canada") · see it at trimtabist.com/tariffs
HS 8301.20. The schedule base rate is 5.7%; importers from Canada actually paid 12.28% on the dutiable value in 2026-06 — the trade-war overlay added 6.6 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 5.7% (2023-07) → 12.28% (2026-06), largest single step -27.7pp in 2025-06.
Canada's lower duty (0.06% vs 38.36%) lets it price up to 38.3% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $17.92/kg vs $30.85/kg (duty in, freight out).
7 Chapter-99 measures name Canada; 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 Canada · the whole tariff ledger · 3 CBP rulings cite this code · reproduce: tariff_story(hs: "8301.20", origin: "Canada") via /connect. Not customs or legal advice.