{
  "summary": "The United States tariff splits HS 7318.15 (threaded articles: Other screws and bolts, whether or not with their nuts or washers) into 28 national lines: 7318.15.20.10 (having shanks or threads with a diameter of less than 6 mm), 7318.15.20.20 (track bolts), 7318.15.20.30 (structural bolts), 7318.15.20.41 (right-angle anchor bolts) and 24 others.",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "HS subheading",
      "value": "7318.15",
      "source": null,
      "url": "https://border.bot/hs-codes/731815"
    },
    {
      "label": "National lines",
      "value": "28",
      "source": null
    },
    {
      "label": "Tariff",
      "value": "United States",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false",
      "url": "https://border.bot/countries/united-states"
    },
    {
      "label": "Chapter",
      "value": "73: Articles of iron or steel",
      "source": null
    }
  ],
  "faq": [
    {
      "question": "How many national tariff lines does the United States tariff have under HS 7318.15?",
      "answer": "The United States tariff splits HS 7318.15 (threaded articles: Other screws and bolts, whether or not with their nuts or washers) into 28 national lines: 7318.15.20.10 (having shanks or threads with a diameter of less than 6 mm), 7318.15.20.20 (track bolts), 7318.15.20.30 (structural bolts), 7318.15.20.41 (right-angle anchor bolts) and 24 others."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "United States lines under 7318.15",
      "text": [
        "The United States tariff splits HS 7318.15 (threaded articles: Other screws and bolts, whether or not with their nuts or washers) into 28 national lines: 7318.15.20.10 (having shanks or threads with a diameter of less than 6 mm), 7318.15.20.20 (track bolts), 7318.15.20.30 (structural bolts), 7318.15.20.41 (right-angle anchor bolts) and 24 others."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under 7318.15 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-subheading",
    "country": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
    },
    "schedule": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
    },
    "borrowed": false,
    "localTaxes": [],
    "localDeminimis": [],
    "ratesLive": true,
    "provenance": [
      {
        "dataset": "US:hs",
        "country": "US",
        "kind": "hs",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:50.043Z",
        "origin": "source",
        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
        ]
      },
      {
        "dataset": "US:rates",
        "country": "US",
        "kind": "rates",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:36.287Z",
        "origin": "source",
        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
        ]
      },
      {
        "dataset": "US:programmes",
        "country": "US",
        "kind": "programmes",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:58.040Z",
        "origin": "source",
        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
        ]
      }
    ],
    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "73",
      "description": "Articles of iron or steel"
    },
    "heading": {
      "code": "7318",
      "description": "Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel"
    },
    "subheading": {
      "code": "731815",
      "description": "Threaded articles: Other screws and bolts, whether or not with their nuts or washers"
    },
    "lines": [
      {
        "code": "7318152010",
        "description": "Having shanks or threads with a diameter of less than 6 mm",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Bolts and bolts and their nuts or washers entered or exported in the same shipment",
          "Having shanks or threads with a diameter of less than 6 mm"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181520",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318152020",
        "description": "Track bolts",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Bolts and bolts and their nuts or washers entered or exported in the same shipment",
          "Having shanks or threads with a diameter of 6 mm or more",
          "Track bolts"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181520",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318152030",
        "description": "Structural bolts",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Bolts and bolts and their nuts or washers entered or exported in the same shipment",
          "Having shanks or threads with a diameter of 6 mm or more",
          "Structural bolts"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181520",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318152041",
        "description": "Right-angle anchor bolts",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Bolts and bolts and their nuts or washers entered or exported in the same shipment",
          "Having shanks or threads with a diameter of 6 mm or more",
          "Bent bolts",
          "Right-angle anchor bolts"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181520",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318152046",
        "description": "Other",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Bolts and bolts and their nuts or washers entered or exported in the same shipment",
          "Having shanks or threads with a diameter of 6 mm or more",
          "Bent bolts",
          "Other"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181520",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318152051",
        "description": "Of stainless steel",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Bolts and bolts and their nuts or washers entered or exported in the same shipment",
          "Having shanks or threads with a diameter of 6 mm or more",
          "Other",
          "With round heads",
          "Of stainless steel"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181520",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318152055",
        "description": "Other",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Bolts and bolts and their nuts or washers entered or exported in the same shipment",
          "Having shanks or threads with a diameter of 6 mm or more",
          "Other",
          "With round heads",
          "Other"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181520",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318152061",
        "description": "Of stainless steel",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Bolts and bolts and their nuts or washers entered or exported in the same shipment",
          "Having shanks or threads with a diameter of 6 mm or more",
          "Other",
          "With hexagonal heads",
          "Of stainless steel"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181520",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318152065",
        "description": "Other",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Bolts and bolts and their nuts or washers entered or exported in the same shipment",
          "Having shanks or threads with a diameter of 6 mm or more",
          "Other",
          "With hexagonal heads",
          "Other"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181520",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318152091",
        "description": "Of stainless steel",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Bolts and bolts and their nuts or washers entered or exported in the same shipment",
          "Having shanks or threads with a diameter of 6 mm or more",
          "Other",
          "Other",
          "Of stainless steel"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181520",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318152095",
        "description": "Other",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Bolts and bolts and their nuts or washers entered or exported in the same shipment",
          "Having shanks or threads with a diameter of 6 mm or more",
          "Other",
          "Other",
          "Other"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181520",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318154000",
        "description": "Machine screws 9.5 mm or more in length and 3.2 mm or more in diameter (not including cap screws)",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Machine screws 9.5 mm or more in length and 3.2 mm or more in diameter (not including cap screws)"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "7318154000",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318155030",
        "description": "Of stainless steel",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Studs",
          "Of stainless steel"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181550",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318155051",
        "description": "Of alloy steel",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Studs",
          "Other",
          "Continuously threaded rod",
          "Of alloy steel"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181550",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318155056",
        "description": "Other",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Studs",
          "Other",
          "Continuously threaded rod",
          "Other"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181550",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318155090",
        "description": "Other",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Studs",
          "Other",
          "Other"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181550",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318156010",
        "description": "Of stainless steel",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Other",
          "Having shanks or threads with a diameter of less than 6 mm",
          "Socket screws",
          "Of stainless steel"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181560",
          "dutyText": "6.2%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A*",
                "label": "a group of origins (origin group A*)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318156040",
        "description": "Other",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Other",
          "Having shanks or threads with a diameter of less than 6 mm",
          "Socket screws",
          "Other"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181560",
          "dutyText": "6.2%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A*",
                "label": "a group of origins (origin group A*)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318156070",
        "description": "Of stainless steel",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Other",
          "Having shanks or threads with a diameter of less than 6 mm",
          "Other",
          "Of stainless steel"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181560",
          "dutyText": "6.2%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A*",
                "label": "a group of origins (origin group A*)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "7318156080",
        "description": "Other",
        "levels": [
          "Threaded articles",
          "Other screws and bolts, whether or not with their nuts or washers",
          "Other",
          "Having shanks or threads with a diameter of less than 6 mm",
          "Other",
          "Other"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "73181560",
          "dutyText": "6.2%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A*",
                "label": "a group of origins (origin group A*)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
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              {
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