Heading 90.31
US HTSMeasuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof
6 subheadings · 15 tariff lines
Code / DescriptionMFN Rate
9031.10.00Machines for balancing mechanical parts
Free9031.20Test benches1 line
Code / DescriptionMFN Rate
9031.20.00Test benches
1.7%9031.49Profile projectors4 lines
Code / DescriptionMFN Rate
9031.49.10Profile projectors
Free9031.49.40Optical coordinate-measuring machines, nesoi
Free9031.49.70Optical instrument & appliance: to inspect masks (not photomask) used to mfg semiconductor devices; to measure contamination on such devices
Free9031.49.90Other optical measuring or checking instruments, appliances and machines, nesoi
FreeCode / DescriptionMFN Rate
9031.90.21Parts and accessories of profile projectors
Free9031.90.45Bases and frames for the optical coordinate-measuring machines of subheading 9031.49.40
Free9031.90.54Parts & accessories of measuring & checking optical instruments & appliances of subheading 9031.41 or 9031.49.70
Free9031.90.59Parts & accessories of measuring & checking optical instruments & appliances, other than test benches or profile projectors, nesoi
Free9031.90.70Parts and accessories of articles of subheading 9031.80.40
Free9031.90.91Parts and accessories of measuring or checking instruments, appliances and machines, nesoi
FreeSource: US International Trade Commission (USITC). For informational purposes only. Consult the official HTS and a licensed customs broker for binding rates.