Tariff monitor · Other Families

Abrasives and Grinding Wheels: Statutory & Effective Tariff Rates

Statutory HTS duty rates for 11 abrasives and grinding wheels tariff lines (MFN Free (+1 see schedule)), from USITC. Effective rate May 2026: 9.59%; monthly history

The short answer

  • The effective U.S. tariff on abrasives and grinding wheels was 9.59% in May 2026, down from 11.56% a year earlier — calculated duties actually paid divided by customs value, from USITC data. The statutory MFN rate is Free (+1 see schedule) across 11 HTS lines in the 2026 schedule. Mexico is the largest source, holding 13.6% of 2025 imports.

Statutory rates from the schedule

  • Grinding wheels, honing stones, and coated abrasives — sandpaper, belts, and flap discs for every deburring and finishing pass. This family covers HTS headings 6804, 6805: 11 eight-digit rate lines with MFN (column 1, general) rates of Free (+1 see schedule) in the 2026 schedule.
  • 1 line carries compound or specific duties that cannot be stated as a single percentage; this page flags them "see schedule" rather than approximating.
  • Chapter 99 flags on individual lines mark Section 301/232 overlay provisions (e.g. 9903.88.03) that apply on top of the MFN column.

What importers actually paid

  • Latest month on record (2026-05): 9.59% effective on $85.1M of imports, versus 11.56% in the same month a year earlier. The monthly archive holds 149 observations from 2014-01 through 2026-05.
  • In 2025, U.S. imports for consumption in this family totaled $1.0B in customs value and paid $112.8M in calculated duties: an effective tariff rate of 10.77%. The effective rate captures Section 301/232 overlays, exclusions, and special-program use that the statutory column cannot.
  • A year earlier the effective rate was 2.66%, so the duty burden rose 8.1 points.
  • Top source countries in 2025: Mexico ($142.1M at 0.86%), Germany ($114.5M at 9.01%), South Korea ($107.2M at 8.16%), China ($102.0M at 45.23%), Canada ($85.1M at 1.45%).
  • For scale, 2025 imports in this family equal 0.6% of the U.S. nonmetallic mineral products industry's $176B gross output (2025, BEA).

Representative rate lines

  • 6804.10.00.00: Millstones and grindstones for milling, grinding or pulping · MFN Free
  • 6804.21.00: Of agglomerated synthetic or natural diamond · MFN Free
  • 6804.22.10.00: Bonded with synthetic resins · MFN see schedule
  • 6804.22.40.00: Abrasive wheels · MFN Free
  • 6804.22.60.00: Other · MFN Free
  • 6804.23.00.00: Of natural stone · MFN Free
  • 6804.30.00.00: Hand sharpening or polishing stones · MFN Free
  • 6805.10.00.00: On a base of woven textile fabric only · MFN Free

Frequently asked questions

  • What is the U.S. tariff rate on abrasives and grinding wheels? Importers paid an effective rate of 9.59% in May 2026 (calculated duties ÷ customs value, USITC DataWeb). The statutory MFN rate is Free (+1 see schedule); Section 301/232 overlays and special programs explain the difference.
  • What is the statutory MFN duty rate for abrasives and grinding wheels? Free (+1 see schedule) across the family's 11 eight-digit HTS lines in the 2026 Harmonized Tariff Schedule (headings 6804, 6805). 1 lines carry compound or specific duties flagged "see schedule".
  • Which countries supply the most abrasives and grinding wheels to the U.S.? Top sources in 2025: Mexico ($142.1M at 0.86%), Germany ($114.5M at 9.01%), South Korea ($107.2M at 8.16%). Sourcing is diversified: Mexico holds 13.6% of imports.
  • How much abrasives and grinding wheels does the U.S. import? $1.0B of customs value in 2025, paying $112.8M in calculated duties — an effective tariff of 10.77%.
  • Is the U.S. a net importer of abrasives and grinding wheels? Yes — a net importer in 2025: $1.0B imported vs $291.2M exported (exports are 28% of imports).

About this data

  • Reference statistics derived from USITC published data. Not a customs ruling; verify rates with a licensed customs broker before relying on them.

Last reviewed 2026-05-12.