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Diamond Polishing Pad Backer Steel Plate

A steel circular plate with an attached continuous diamond agglomerated rim segment, used as a backing for polishing pads in marble finishing. It is classified under 6804.21.00 as a part of a polishing tool of agglomerated synthetic diamond.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—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.

6804.30.00Same rate: Free

If the plate is a hand sharpening or polishing stone

Hand sharpening or polishing stones are classified separately in heading 68.04.

8466.93.10Same rate: Free

If the plate is a part of a machine tool

Parts of machine tools are classified in Chapter 84 when they are not specifically tools of Chapter 68.

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

• Classify the backer plate under 6804.21.00 as a part of a polishing tool

• Ensure it is not considered a separate article of Chapter 82 or 84

• Provide CBSA with the plate's dimensions and the diamond rim composition for verification

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.