Dividing Head for Wafer Machines
Precision dividing head for indexing in multi-axis wafer grinding machines under heading 8462/8463. HTS 8466.94.85.85 covers this special attachment for machine tools. Enables complex angular positioning for semiconductor boule preparation.
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Import Tips & Compliance
• Include division plate specifications showing sub-arcsecond accuracy for classification support
• Declare end-use in 'semiconductor crystal boule machining' for statistical note alignment
Related Products under HTS 8466.94.85.85
CNC Lathe Spindle Motor
High-precision spindle motor designed specifically for CNC lathes under heading 8462, providing rotational power to the chuck holding the workpiece. It falls under HTS 8466.94.85.85 as a part suitable solely or principally for use with machine tools of heading 8462. Essential for high-speed machining operations in semiconductor wafer preparation equipment.
Wafer Grinder Spindle Assembly
Precision spindle assembly for wafer grinders used in semiconductor boule preparation, compatible with grinding machines of heading 8463. Classified under 8466.94.85.85 as an accessory principally for heading 8463 machines. Critical for achieving flatness tolerances in crystal grinding per statistical notes.
Crystal Puller Tool Holder
Specialized tool holder for crystal pullers in Czochralski method equipment under heading 8462, holding seed crystals during boule growth. Falls under HTS 8466.94.85.85 as a work/tool holder for 8462 machines. Designed for extreme temperature/precision environments in semiconductor manufacturing.
CNC Grinder Workhead
Complete workhead assembly for CNC grinding machines of heading 8463 used in wafer lapping/polishing prep. Under HTS 8466.94.85.85 as part principally for 8463 grinders. Provides precise rotational control for semiconductor surface flatness.
Wafer Polisher Quill Assembly
Quill/spindle assembly for wafer polishers bringing surfaces to semiconductor fabrication tolerances. For heading 8463 polishing machines, classified 8466.94.85.85. Critical for flatness specs in statistical note wafer preparation equipment.
Czochralski Crystal Seed Chuck
Rotating seed chuck for Czochralski crystal pullers under heading 8462. HTS 8466.94.85.85 as work holder for boule growers. Temperature-controlled interface prevents crystal defects during growth initiation.