Synthetic Diamond Honing Stone
Segmented stones of agglomerated synthetic diamond for internal honing of cylinders and bores in engine manufacturing. These are framework-free abrasive stones for honing, matching this tariff item.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the honing stones are supplied as parts of a honing machine.
Machine parts are classified under Chapter 84.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify the stones are not mounted on a honing tool body; bare stones qualify
• Specify the diamond agglomerate and bond type in the declaration
• If the stones are part of a honing machine, classification may shift
Related Products under Tariff item 6804.21.00
10-Inch Diamond Grinding Wheel for Stone
A 10-inch grinding wheel with multiple segments of metal-agglomerated synthetic diamond attached to a steel circular plate, designed for grinding granite and marble surfaces. It is classified under 6804.21.00 as a grinding wheel of agglomerated synthetic diamond without a framework.
11-Inch Diamond Grinding Wheel for Quartz
A heavy 11-inch steel plate wheel with diamond segments agglomerated in metal for processing quartz surfaces, used in engineered stone production. It is classified under 6804.21.00 as a grinding wheel of agglomerated synthetic diamond without a framework.
12-Inch Heavy-Duty Diamond Polisher for Marble
A large 12-inch steel plate wheel with robust metal-bonded diamond segments for heavy polishing of marble slabs. It is classified under 6804.21.00 as a polishing wheel of agglomerated synthetic diamond without a framework.
12-Inch Turbo Diamond Saw Blade with Steel Core
A 12-inch turbo-rimmed circular saw blade with a steel core and a continuous rim of metal-agglomerated synthetic diamond, designed for heavy-duty cutting of asphalt and rebar. It is classified under tariff item 6804.21.00 as a grinding or cutting tool of agglomerated synthetic diamond without a framework.
3-Inch Mini Diamond Grinding Wheel for Jewelry
A small 3-inch steel plate with fine metal-agglomerated diamond segments for polishing gemstones and jewelry molds, used in lapidary and precision work. It is classified under 6804.21.00 as a polishing tool of agglomerated synthetic diamond without a framework.
4.5-Inch Steel Plate Diamond Cutting Disc for Tile
A compact 4.5-inch diamond cutting disc with a continuous metal-agglomerated diamond rim bonded to a steel plate, intended for use with angle grinders in tile installation. It is classified under 6804.21.00 as a cutting tool of agglomerated synthetic diamond without a framework.