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4010.31Subheading

Rubber; vulcanised, endless transmission belts of trapezoidal cross-section (V-belts), V-ribbed, of an outside circumference exceeding 60cm but not exceeding 180 cm

Section VII — Plastics and articles thereof; rubber and articles thereof

This is a 6-digit subheading — the most specific level of the international HS. Country tariff schedules extend it further; the US tariff lines (HTS) below refine it to 8–10 digits for duty purposes.

US tariff lines for this subheading are not in the bundled starter dataset yet — the full HTS schedule is coming soon. You can still search by code in the tariff simulator.