Articles consisting of multiple segments of diamond agglomerated with metal, attached to circular plates of steel, without cutting parts (whether or not attached to non-steel plates)
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: > Other millstones, grindstones, grinding wheels and the like: > Of agglomerated synthetic or natural diamond > Articles consisting of multiple segments of diamond agglomerated with metal, attached to circular plates of steel, without cutting parts (whether or not attached to non-steel plates)
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 6804.21.00.30
10-Inch Diamond Grinding Wheel for Stone
This grinding wheel features multiple segments of metal-agglomerated synthetic diamond attached to a 10-inch steel circular plate, designed for grinding granite and marble surfaces. It falls under HTS 6804.21.00.30 as it precisely matches the description of diamond segments agglomerated with metal on steel plates without cutting parts, used for polishing and trueing stone. Ideal for professional stone fabricators.
4-Inch Dry Diamond Polishing Pad for Concrete
A 4-inch circular steel plate with attached metal-bonded diamond segments for dry polishing concrete floors. Classified under HTS 6804.21.00.30 due to its multiple diamond agglomerate segments on a steel plate, excluding cutting edges, for grinding and polishing applications. Commonly used in construction and renovation.
7-Inch Diamond Segment Wheel for Granite Countertops
This 7-inch steel-backed wheel has multiple metal-agglomerated diamond segments for profiling and grinding granite edges. It qualifies for HTS 6804.21.00.30 as a non-cutting grinding wheel with diamond segments on steel plates. Essential for countertop fabricators.
5-Inch Diamond Grinding Disc for Engineered Stone
A compact 5-inch steel disc with diamond-metal agglomerate segments for smoothing engineered quartz surfaces. Matches HTS 6804.21.00.30 for its steel plate construction and grinding-only diamond segments. Used in high-volume fabrication shops.
12-Inch Heavy-Duty Diamond Polisher for Marble
Large 12-inch steel plate wheel with robust metal-bonded diamond segments for heavy polishing of marble slabs. Precisely fits HTS 6804.21.00.30 as a segmented diamond agglomerate on steel without cutting features. For industrial stone processing.
6-Inch Diamond Profile Wheel for Stone Edges
6-inch steel plate with diamond agglomerated segments for creating smooth profiles on stone edges during fabrication. Classified in HTS 6804.21.00.30 for its non-cutting, metal-agglomerated diamond design on steel. Popular in tile and monument work.
8-Inch Diamond Cup Wheel for Concrete Grinding
Cup-shaped 8-inch steel wheel with multiple metal-agglomerated diamond segments for aggressive concrete surface grinding. Meets HTS 6804.21.00.30 criteria as a steel plate-based diamond grinding article sans cutting parts. Used for floor prep.
3-Inch Mini Diamond Grinding Wheel for Jewelry
Small 3-inch steel plate with fine metal-agglomerated diamond segments for polishing gemstones and jewelry molds. Fits HTS 6804.21.00.30 as a precise grinding/polishing tool without cutting elements. For lapidary and precision work.
9-Inch Diamond Segment Disc for Terrazzo
9-inch steel disc featuring diamond-metal segments for leveling and polishing terrazzo floors. Directly under HTS 6804.21.00.30 for its segmented, non-cutting diamond agglomerate on steel plate. Construction specialty.
11-Inch Diamond Grinding Wheel for Quartz
Heavy 11-inch steel plate wheel with diamond segments agglomerated in metal for processing quartz surfaces. Classed as HTS 6804.21.00.30 for grinding/polishing without cutting parts. For engineered stone production.