CMM Granite Table with T-Slots
Granite measuring table with integrated T-slot fixturing system for CMMs of subheading 9031.49.40. Provides reference datum surface and workpiece clamping. 9031.90.45.00 classification due to coordinate-measuring machine specificity.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If without CMM-specific T-slot patterns
Standard granite tables classify as worked monumental stone.
If for toolmaker microscopes or similar
Tables for other precision instruments fall under machine tool accessories.
Not sure which classification is right?
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Import Tips & Compliance
• Laser interferometer test reports required to verify flatness specifications
• Declare T-slot dimensions and tolerances in entry docs
• Avoid retail packaging that suggests consumer surface plate use
Related Products under HTS 9031.90.45.00
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Precision-ground granite surface plate used as the stable base for coordinate-measuring machines (CMMs) under 9031.49.40. Its low thermal expansion and high rigidity ensure accurate 3D measurements by minimizing vibration and distortion. Classified under 9031.90.45.00 as a dedicated base component for these optical measuring instruments.
Cast Iron CMM Frame
Heavy-duty cast iron structural frame providing the rigid skeleton for bridge-style CMMs of 9031.49.40. Designed with kinematic mounts for probe alignment and vibration damping. Falls under 9031.90.45.00 as an essential frame for coordinate measuring precision.
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Precision Steel CMM Base Frame
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Vibrations-Isolated CMM Base
Granite base with integrated pneumatic vibration isolation mounts for 9031.49.40 CMMs. Provides sub-micron stability for high-precision coordinate measurement. 9031.90.45.00 as coordinate-measuring machine base.