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.
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 silicon wafer processing version
Semiconductor wafer prep equipment specifically excludes stone under statistical notes to Chapter 84.
If for gemstone polishing
Quartz grinders for jewelry grade material classify under precious stones.
If integrated with wafer testing
Lappers with optical testing functions shift to Chapter 90 instruments.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Specify lambda/10 flatness capability and slurry type for quartz in technical specs
• CBP often requires end-user statements for electronics vs. gemstone applications
• Ensure cleanroom compatibility documentation if claimed
Related Products under HTS 8464.20.01
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.
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.
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.