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HSChapter 25
U.S. imports of pebbles, gravel, and crushed stone for concrete aggregates (HS 251710) totaled $21.6M in July 2026, traded with 32 countries.
Importers of Pebbles, Gravel, and Crushed Stone for Concrete Aggregates paid $688K in duties in July 2026 — an effective duty rate of 12% on $5.5M in dutiable value, based on actual customs collections rather than the published tariff schedule. Pebbles, Gravel, and Crushed Stone for Concrete Aggregates imports of $21.6M in July 2026 ran 36% above the year-to-date monthly average of $15.8M.
Last updated: July 2026 dataPebbles, gravel, and crushed or broken stone used as concrete aggregates, road ballast, or railway track ballast are among the highest-volume, lowest-value mineral imports by weight, making freight economics and port proximity the dominant sourcing factors. The US schedule covers pebbles and gravel (2517100015), limestone other than pebbles and gravel (2517100020), and other crushed or broken stone (2517100055). Canada and the Bahamas are the leading suppliers — Canada by land-border proximity and the Bahamas by maritime proximity to US East Coast and Gulf ports, where large-scale quarry operations ship directly to coastal aggregate terminals.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
827 shipments/mo
The Bahamas hosts large-scale limestone quarrying operations on islands close to the US East Coast and Gulf of Mexico. The short sea voyage and purpose-built bulk loading terminals allow Bahamian suppliers to deliver crushed limestone aggregate to US coastal ports at competitive landed costs, making geography the primary competitive advantage rather than domestic demand.
The limestone line (2517100020) applies specifically to crushed or broken limestone (calcium carbonate-dominant stone) that is not in pebble or gravel form. All other crushed or broken stone — including granite chips, basalt screenings, and mixed quarry fines — falls under the NESOI line (2517100055). A mineralogical description or quarry certification identifying the stone type is the standard supporting document for making this determination.
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Subheading 1 of 5 in heading 2517
Subheading 251710 · $21.6M of $27.5M
ImportsExports
Imports
$21.6MYoY · Pro
Exports
$4.2MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2517100055 | Crushed or Broken Stone NESOI | $9.6M | 0.69% | 4.37% | $66K |
| 2517100015 | Pebbles & Gravel | $7.4M | 2.75% | 19.79% | $205K |
| 2517100020 | Limestone, Except Pebbles & Gravel | $4.5M | 9.33% | 81.40% | $416K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2517100055 | Crushed or Broken Stone NESOI | $2.7M |
| 2517100020 | Limestone, Except Pebbles & Gravel | $917K |
| 2517100015 | Pebbles & Gravel | $666K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · July 2026
origin
Canada and Bahamas together supply 85% of it.
customs district
destination
entry
rate provision · imports
74.4% enters free of duty; the effective duty rate is 3.19%.