Diamond Impregnated Core Drill Bit Blank
Agglomerated synthetic diamond segments for core drill bits used in concrete and masonry drilling, supplied without framework. Falls under HTS 6804.21.00.90 for other cutting tools of agglomerated synthetic diamond. Used by contractors for core sample extraction.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If assembled onto a steel body as a complete drill bit
Interchangeable drill bits with diamond tips are classified as rock drilling tools in 8207.
If using natural rather than synthetic diamond
Millstones and similar of natural abrasives have distinct provisions outside synthetic diamond.
If sold as parts for drilling rigs
Parts for other boring machinery shift to Chapter 84 for construction equipment.
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Import Tips & Compliance
• Certify diamond type as synthetic and agglomerated to distinguish from natural diamond tools
• Include bond type (resin/metal) in invoices for accurate subheading placement
• Watch for anti-dumping duties on Chinese-origin diamond abrasives
Related Products under HTS 6804.21.00.90
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A precision grinding wheel made from agglomerated synthetic diamond abrasives, designed for grinding and sharpening hardened steel tools and metal surfaces. It falls under HTS 6804.21.00.90 as it is a grindstone of agglomerated synthetic diamond, excluding common framework-mounted types. Used in workshops for high-precision finishing without frameworks.
Agglomerated Diamond Polishing Pad for Stone
Flexible polishing pad embedded with agglomerated synthetic diamond grains for wet or dry polishing of granite and marble countertops. Classified under HTS 6804.21.00.90 for 'other' grinding wheels of agglomerated synthetic diamond without frameworks. Ideal for stone fabricators seeking high-gloss finishes.
Synthetic Diamond Dresser for Grinding Wheels
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Agglomerated Diamond Lapidary Saw Blade Segment
High-precision segments of agglomerated synthetic diamond for lapidary saw blades used in cutting gemstones and jewelry materials. Classified in HTS 6804.21.00.90 as other cutting grindstones without frameworks. Perfect for jewelers and stone cutters.
Synthetic Diamond Deburring Wheel
Small wheel of agglomerated synthetic diamond for removing burrs from machined metal parts in aerospace applications. HTS 6804.21.00.90 covers such other grinding wheels of synthetic diamond abrasives without frameworks. Provides superior edge finishing.
Diamond Pencil for Glass Edge Grinding
Precision-ground pencil-shaped tool of agglomerated synthetic diamond for grinding edges on glass sheets and mirrors. Fits HTS 6804.21.00.90 for other hand sharpening/polishing stones of synthetic diamond. Used in glass fabrication.