Of natural stone
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 natural stone
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 6804.23.00.00
Soapstone Burnishing Stone
Steatite (soapstone) block for burnishing pottery and leather edges, providing a smooth finish in craft applications. Classified in HTS 6804.23.00.00 for polishing/trueing stones of natural stone, as steatite qualifies per chapter provisions. Its softness makes it ideal for delicate surface work.
Limestone Cutting Stone
Natural limestone whetstone for cutting and shaping soft metals or stone in sculpting. Falls under HTS 6804.23.00.00 as a cutting stone of natural stone, worked beyond raw form per chapter notes. Used by masons for precise edge work.
Basalt Grindstone
Volcanic basalt grindstone for heavy-duty grain milling and tool grinding in traditional setups. HTS 6804.23.00.00 covers such natural stone grindstones without frameworks, valued for basalt's toughness.
Arkansas Novaculite Sharpening Stone
Premium natural novaculite (Arkansas stone) for ultra-fine edge sharpening of surgical tools and razors. Under HTS 6804.23.00.00 as a hand sharpening stone, renowned for its silica content and translucency.
Slate Honing Stone
Natural slate stone for honing and lapping flat surfaces in metalworking. Excluded from 6802 slate per chapter note; HTS 6804.23.00.00 for abrasive uses.
Dolomite Polishing Block
Natural dolomite block for polishing glass and gems, per chapter inclusion of dolomite as worked stone. HTS 6804.23.00.00 for polishing applications.
Travertine Whetstone
Porous natural travertine whetstone for wet sharpening of tools. HTS 6804.23.00.00 as natural stone sharpener.
Serpentine Grinding Stone
Natural serpentine stone for grinding pigments and fine abrasives in art restoration.
Jasper Lapping Stone
Hard jasper natural stone for lapping precision surfaces in optics.
Pumice Sharpening Puck
Natural pumice disc-shaped stone for sharpening drywall tools.
Obsidian Cutting Stone
Volcanic glass obsidian for fine cutting in lapidary work, classified as natural stone abrasive.
Natural Sandstone Grinding Wheel
A heavy-duty grinding wheel made from natural sandstone, designed for sharpening tools and smoothing metal surfaces in workshops. It falls under HTS 6804.23.00.00 as it is a grindstone of natural stone without frameworks, used for grinding and sharpening applications. The porous structure of sandstone provides effective abrasion without the need for binders.
Quartzite Sharpening Stone
A bench-style sharpening stone crafted from natural quartzite, ideal for honing knives and chisels to a razor edge. Classified under HTS 6804.23.00.00 for hand sharpening stones of natural stone, it relies on the stone's inherent hardness without any artificial agglomeration. Commonly used by woodworkers and chefs for precision maintenance.
Granite Polishing Stone
Handheld natural granite stone used for polishing stone surfaces, countertops, and sculptures in artisanal finishing. It qualifies under HTS 6804.23.00.00 as a polishing stone of natural stone, leveraging granite's durability for trueing and smoothing without frameworks. Excluded from Chapter 25 as it's worked for abrasive purposes.
Natural Flint Hand Sharpening Stone
Compact flint stone for field sharpening of blades and arrows, prized for its fine grit in outdoor and historical reenactment uses. Under HTS 6804.23.00.00 as a hand sharpening stone of natural stone, explicitly including flint per chapter notes on worked stone. No frameworks or binders ensure pure classification.