U.S. imports of Millstones, Grindstones, Grinding Wheels and the Like of Agglomerated Synthetic or Natural Diamond, NESOI (HS 6804210090) totaled $12.7M in August 2026, imported from 41 countries.
Importers of Millstones, Grindstones, Grinding Wheels and the Like of Agglomerated Synthetic or Natural Diamond, NESOI paid $1.6M in duties in August 2026, an average duty rate of 13.02% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataAverage import price $14.41/unit · 839 import shipments a month
Imports
Imports
$12.7MYoY · free account
Low of 8 reported months · imports
Low · free accountThrough August 2026 · imports 8 of 12 months reported. Source: U.S. Census Bureau.
Statistical number 1 of 5 in subheading 680421
Statistical number 6804210090 · $12.7M of $18.4M
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Imports · August 2026
origin
South Korea and China together supply 46% of it. China pays 25.6% duty; Mexico 3.6%.
customs district
None recorded for this period.
destination
Census publishes state breakdowns to the 6-digit level only. See HS 680421 for those.
entry
Census publishes port breakdowns to the 6-digit level only. See HS 680421 for those.
rate provision · imports
None recorded for this period.