CNC Granite Surface Grinder
A computer numerically controlled machine designed for precision grinding flat surfaces on granite slabs used in countertops and monuments. It falls under HTS 8464.20.01 as a grinding machine specifically for working stone materials like granite to achieve smooth, level finishes.
Import Duty Rates by Country of Origin
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 adapted for metal grinding
Machines primarily for metalworking stone grinders fall under Chapter 84 heading 8460, not mineral materials.
If sold as concrete mixing equipment set
When imported as part of a complete concrete processing line, it may classify under sorting machinery.
If for precision metrology grinding only
If used solely for measuring equipment calibration on non-stone surfaces, it shifts to optical inspection apparatus.
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Import Tips & Compliance
• Verify machine specifications confirm use for stone or mineral materials to avoid reclassification to 8460 for metalworking
• Include detailed technical manuals and end-use declarations in documentation to prove cold working of stone
• Check for CE marking or equivalent if originating from EU; common pitfall is undervaluing multi-axis CNC features
Related Products under HTS 8464.20.01
Marble Slab Polishing Machine
Automated polishing line for creating high-gloss finishes on marble slabs for flooring and wall tiles. Classified under HTS 8464.20.01 for polishing machines dedicated to stone like marble, a mineral material.
Concrete Floor Grinder
Planetary head grinder for leveling and smoothing freshly poured or existing concrete floors in construction sites. HTS 8464.20.01 applies to grinding machines for concrete, a 'like mineral material' per chapter notes.
Ceramic Tile Grinder
Bridge-style grinder for rectifying edges and surfaces of ceramic tiles to precise dimensions post-firing. HTS 8464.20.01 covers grinding machines for ceramics, explicitly listed mineral materials.
Quartz Wafer Lapping Machine
Double-sided lapping machine for achieving flatness tolerances on quartz crystal wafers used in oscillators. As quartz is stone, grinding/lapping falls under HTS 8464.20.01 for stone working.
Porcelain Edge Grinding Machine
CNC-controlled grinder for chamfering and smoothing porcelain slab edges for high-end bathroom vanities. Ceramics classification under HTS 8464.20.01 for mineral material grinding.
Glass Edge Polisher
Straight-line machine for bevelling and polishing edges of flat glass sheets used in windows and mirrors. Falls under HTS 8464.20.01 for cold working glass via polishing processes.