{
  "summary": "In the United States tariff, line 6804.21.00.30 covers other millstones, grindstones, grinding wheels and the like, of agglomerated synthetic or natural diamond, articles consisting of multiple segments of diamond agglomerated with metal, attached to circular plates of steel, without cutting parts (whether or not attached to non-steel plates). Goods under this line enter free of general (MFN) duty. It falls under HS subheading 6804.21 in heading 68.04 (chapter 68).",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "Tariff line",
      "value": "6804.21.00.30",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
    },
    {
      "label": "Covers",
      "value": "Other millstones, grindstones, grinding wheels and the like, of agglomerated synthetic or natural diamond, articles consisting of multiple segments of diamond agglomerated with metal, attached to circular plates of steel, without cutting parts (whether or not attached to non-steel plates)",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
    },
    {
      "label": "Duty (MFN)",
      "value": "Free",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
    },
    {
      "label": "Additional duties",
      "value": "None recorded",
      "source": null
    },
    {
      "label": "Restrictions",
      "value": "None recorded",
      "source": null
    },
    {
      "label": "Tariff",
      "value": "United States",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false",
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    },
    {
      "label": "HS subheading",
      "value": "6804.21",
      "source": null,
      "url": "https://border.bot/hs-codes/680421"
    }
  ],
  "faq": [
    {
      "question": "What does tariff line 6804.21.00.30 cover in the United States tariff?",
      "answer": "In the United States tariff, line 6804.21.00.30 covers other millstones, grindstones, grinding wheels and the like, of agglomerated synthetic or natural diamond, articles consisting of multiple segments of diamond agglomerated with metal, attached to circular plates of steel, without cutting parts (whether or not attached to non-steel plates)."
    },
    {
      "question": "What is the general (MFN) duty on 6804.21.00.30 in the United States?",
      "answer": "Goods under this line enter free of general (MFN) duty. The rate is published on 6804.21.00."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this line covers",
      "text": [
        "In the United States tariff, line 6804.21.00.30 covers other millstones, grindstones, grinding wheels and the like, of agglomerated synthetic or natural diamond, articles consisting of multiple segments of diamond agglomerated with metal, attached to circular plates of steel, without cutting parts (whether or not attached to non-steel plates).",
        "Its legal text is “Articles consisting of multiple segments of diamond agglomerated with metal, attached to circular plates of steel, without cutting parts (whether or not attached to non-steel plates)”, read under “Other millstones, grindstones, grinding wheels and the like” and “Of agglomerated synthetic or natural diamond”."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "It falls under HS subheading 6804.21 in heading 68.04 (chapter 68). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff."
      ]
    },
    {
      "id": "duty",
      "title": "Duty",
      "text": [
        "Goods under this line enter free of general (MFN) duty.",
        "The rate is published on 6804.21.00."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under 6804.21 yet."
      ]
    },
    {
      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "This page was last updated on 9 October 2026.",
        "Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling."
      ]
    }
  ],
  "data": {
    "type": "country-line",
    "country": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
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    "schedule": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
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    "borrowed": false,
    "localTaxes": [],
    "localDeminimis": [],
    "ratesLive": true,
    "provenance": [
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        "kind": "hs",
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        "liveAt": "2026-10-09T21:15:50.043Z",
        "origin": "source",
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      {
        "dataset": "US:programmes",
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    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "68",
      "description": "Articles of stone, plaster, cement, asbestos, mica or similar materials"
    },
    "heading": {
      "code": "6804",
      "description": "Millstones, grindstones, grinding wheels and the like, without frameworks, for grinding, sharpening, polishing, trueing or cutting, hand sharpening or polishing stones, and parts thereof, of natural stone, of agglomerated natural or artificial abrasives, or of ceramics, with or without parts of other materials"
    },
    "subheading": {
      "code": "680421",
      "description": "Other millstones, grindstones, grinding wheels and the like: Of agglomerated synthetic or natural diamond"
    },
    "line": {
      "code": "6804210030",
      "description": "Articles consisting of multiple segments of diamond agglomerated with metal, attached to circular plates of steel, without cutting parts (whether or not attached to non-steel plates)",
      "levels": [
        "Other millstones, grindstones, grinding wheels and the like",
        "Of agglomerated synthetic or natural diamond",
        "Articles consisting of multiple segments of diamond agglomerated with metal, attached to circular plates of steel, without cutting parts (whether or not attached to non-steel plates)"
      ],
      "english": null,
      "keywords": [],
      "lang": "en",
      "general": {
        "code": "68042100",
        "dutyText": "Free",
        "startDate": null,
        "endDate": null,
        "unit": null
      },
      "preferences": [],
      "measures": [],
      "restrictions": []
    },
    "siblings": [
      {
        "code": "6804210010",
        "description": "Segments for circular sawblades, consisting of diamond agglomerated with metal"
      },
      {
        "code": "6804210020",
        "description": "Articles consisting of a continuous rim segment of diamond agglomerated with metal, attached to circular plates of steel (whether or not attached to non-steel plates)"
      },
      {
        "code": "6804210090",
        "description": "Other"
      }
    ],
    "siblingsTotal": 3,
    "previous": {
      "code": "6804210020",
      "description": "Articles consisting of a continuous rim segment of diamond agglomerated with metal, attached to circular plates of steel (whether or not attached to non-steel plates)",
      "indexable": true
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    "next": {
      "code": "6804210090",
      "description": "Other",
      "indexable": true
    },
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  "code": "6804210030",
  "attribution": "border.bot tariff reference (border.bot), compiled from the official publishers named on each page.",
  "terms": "https://border.bot/legal/terms",
  "notice": "Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.",
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