Millstones, grindstones and grinding wheels: South Korea exports and imports
HS 6804 · 밀스톤(millstone)ㆍ그라인드스톤(grindstone)ㆍ그라인딩휠(grinding wheel)과 이와 유사한 것(연마용ㆍ벼리기용ㆍ광택용ㆍ정형용ㆍ절단용인 것으로서 프레임을 갖추지 않은 것으로 한정한다)ㆍ수지석(手砥石)과 이들의 부분품[천연석, 응결시킨 천연ㆍ인조의 연마재료로 만든 것이나 도자(陶瓷)제의 것으로 한정하며, 그 밖의 재료로 만든 부분품이 부착되었는지에 상관없다] · latest month: October 2026
In October 2026, South Korea exported $31.8 million of millstones, grindstones and grinding wheels (HS 6804), up 7.3% from September 2026 and up 52.9% from October 2025.
Over the 12 months to October 2026, exports of millstones, grindstones and grinding wheels (HS 6804) totalled $332.0 million, up 27.3% from the 12 months before ($260.7 million).
The largest destination over the 12 months to October 2026 was China ($149.5 million, 45.0% of the total), followed by the United States and Taiwan.
That was 31.5% of South Korea's exports under HS chapter 68 (articles of stone, plaster, cement or mica) over the same 12 months.
Imports in October 2026 were $13.4 million (up 25.3% from October 2025), leaving a surplus of $18.5 million for the month.
Official description of HS 6804: 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.
Last 24 months
Subheadings under HS 6804
| Code | Product | Exports, 12 months | Share | vs 12 months before | October 2026 |
|---|---|---|---|---|---|
| 6804.10 | Millstones and grindstones for milling, grinding or pulping | $3.5M | 1.0% | -9.6% | $324K |
| 6804.21 | Of agglomerated synthetic or natural diamond | $299.9M | 90.3% | +29.2% | $28.7M |
| 6804.22 | Of other agglomerated abrasives or of ceramics | $26.0M | 7.8% | +18.1% | $2.5M |
| 6804.22.1000 | For grinding semiconductor wafer | $544K | 2.1% | +40.2% | $31K |
| 6804.22.9000 | Other | $25.4M | 97.9% | +17.7% | $2.5M |
| 6804.23 | Of natural stone | $429K | 0.1% | -36.0% | $59K |
| 6804.30 | Hand sharpening or polishing stones | $2.2M | 0.7% | +8.5% | $204K |
Six-digit codes are international; the indented ten-digit codes are South Korea's own subdivision. These rows are world totals; "Share" is the share of the row above.
Top destinations
Export value over the 12 months to October 2026. 109 countries received this product from South Korea in the last 24 months; the table shows the largest 20.
| Rank | Country | Exports, 12 months | Share | vs 12 months before | Rank before | October 2026 |
|---|---|---|---|---|---|---|
| 1 | China | $149.5M | 45.0% | +39.3% | 1 | $14.6M |
| 2 | United States | $74.9M | 22.6% | +31.0% | 2 | $6.7M |
| 3 | Taiwan | $28.8M | 8.7% | +14.7% | 3 | $3.1M |
| 4 | Japan | $10.3M | 3.1% | +24.0% | 5 | $918K |
| 5 | Vietnam | $10.2M | 3.1% | +10.7% | 4 | $852K |
| 6 | Germany | $7.7M | 2.3% | +4.6% | 6 | $604K |
| 7 | Netherlands | $7.6M | 2.3% | +8.5% | 7 | $808K |
| 8 | India | $5.8M | 1.7% | +14.9% | 8 | $554K |
| 9 | Singapore | $5.2M | 1.6% | +26.4% | 9 | $677K |
| 10 | Italy | $3.3M | 1.0% | +11.3% | 10 | $202K |
| 11 | Israel | $2.6M | 0.8% | +15.0% | 12 | $169K |
| 12 | France | $2.1M | 0.6% | +161.7% | 24 | $327K |
| 13 | Australia | $2.1M | 0.6% | +6.5% | 13 | $212K |
| 14 | Ireland | $2.1M | 0.6% | +91.4% | 20 | $216K |
| 15 | Canada | $1.9M | 0.6% | -20.5% | 11 | $227K |
| 16 | Thailand | $1.7M | 0.5% | +110.0% | 25 | $92K |
| 17 | Spain | $1.6M | 0.5% | +7.4% | 14 | $250K |
| 18 | United Kingdom | $1.5M | 0.5% | +6.0% | 16 | $118K |
| 19 | Malaysia | $1.4M | 0.4% | -8.0% | 15 | $138K |
| 20 | Poland | $1.2M | 0.3% | +26.1% | 22 | $144K |
Countries are linked when exports of this product to them reached $5,000,000 over 24 months.
Monthly figures
| Month | Exports | vs year earlier | Export weight | Export $/kg | Imports | Import weight |
|---|---|---|---|---|---|---|
| October 2026 | $31.8M | +52.9% | 249 t | $128.12 | $13.4M | 1,395 t |
| September 2026 | $29.7M | +26.4% | 240 t | $123.63 | $9.8M | 1,230 t |
| August 2026 | $25.7M | +21.1% | 200 t | $128.30 | $11.1M | 1,260 t |
| July 2026 | $31.6M | +36.6% | 368 t | $85.94 | $11.1M | 1,320 t |
| June 2026 | $26.4M | +21.6% | 250 t | $105.39 | $11.8M | 1,605 t |
| May 2026 | $33.2M | +49.7% | 340 t | $97.57 | $10.2M | 1,261 t |
| April 2026 | $28.3M | +33.5% | 309 t | $91.63 | $10.7M | 1,345 t |
| March 2026 | $24.1M | +6.3% | 240 t | $100.67 | $12.0M | 1,693 t |
| February 2026 | $25.1M | +22.8% | 285 t | $87.90 | $11.0M | 1,478 t |
| January 2026 | $27.9M | +39.4% | 294 t | $95.02 | $9.1M | 1,602 t |
| December 2025 | $24.0M | +11.5% | 265 t | $90.47 | $12.4M | 1,733 t |
| November 2025 | $24.3M | +8.2% | 244 t | $99.39 | $9.7M | 1,289 t |
| October 2025 | $20.8M | -12.8% | 193 t | $107.89 | $10.7M | 1,402 t |
| September 2025 | $23.5M | +17.5% | 243 t | $96.65 | $11.3M | 1,284 t |
| August 2025 | $21.2M | -0.7% | 245 t | $86.52 | $10.8M | 1,463 t |
| July 2025 | $23.1M | +7.0% | 245 t | $94.43 | $11.2M | 1,301 t |
| June 2025 | $21.7M | +15.1% | 242 t | $89.74 | $11.5M | 1,404 t |
| May 2025 | $22.2M | +10.0% | 279 t | $79.29 | $12.0M | 1,293 t |
| April 2025 | $21.2M | +9.6% | 229 t | $92.47 | $10.9M | 1,460 t |
| March 2025 | $22.7M | +12.2% | 245 t | $92.60 | $10.6M | 1,367 t |
| February 2025 | $20.4M | +14.2% | 241 t | $84.51 | $9.6M | 912 t |
| January 2025 | $20.0M | -3.2% | 182 t | $110.07 | $9.7M | 1,389 t |
| December 2024 | $21.5M | +16.4% | 252 t | $85.08 | $9.8M | 1,502 t |
| November 2024 | $22.4M | +12.2% | 231 t | $96.96 | $8.9M | 1,215 t |
Exports FOB, imports CIF, US dollars. Weight is net weight. "vs year earlier" compares export value with the same month one year before and is left blank when that month was under $10,000. Source: Korea Customs Service, via data.go.kr.