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Internal cylindrical

Machine tools for deburring, sharpening, grinding, honing, lapping, polishing or otherwise finishing metal or cermets by means of grinding stones, abrasives or polishing products, other than gear cutting, gear grinding or gear finishing machines of heading 8461: > Other grinding machines: > Other > Other: > Internal cylindrical

Duty Rate (from China)

39.4%
MFN Base Rate4.4%
9903.03.01+10%

Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

9903.88.01+25%

Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]

Total Effective Rate39.4%
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Products classified under HTS 8460.29.01.30

CNC Internal Cylindrical Grinder

A computer numerically controlled machine tool designed for precision grinding of internal cylindrical surfaces on metal parts using abrasive wheels. It falls under HTS 8460.29.0130 as an other internal cylindrical grinding machine for finishing metal surfaces to tight tolerances in semiconductor wafer processing equipment components.

Precision Internal Diameter Grinder for Bearing Races

Specialized grinding machine for finishing internal cylindrical surfaces of ball bearing races and semiconductor component housings using high-precision abrasives. Classified in HTS 8460.29.0130 for other internal cylindrical grinding machines finishing metal precision parts.

Air Bearing Internal Cylindrical Grinding Machine

Advanced grinder utilizing air bearings for ultra-precise internal cylindrical finishing of metal sleeves used in semiconductor handlers and testers. HTS 8460.29.0130 covers this as other internal cylindrical grinding machine for metal surface finishing.

Hydraulic Internal Grinder for Cylinder Bores

Machine tool with hydraulic workhead for grinding internal cylindrical bores in metal engine components and semiconductor vacuum chamber parts. Falls under HTS 8460.29.0130 as other internal cylindrical grinding equipment for metal finishing.

Swivel Head Internal Cylindrical Grinder

Precision grinder with swivel wheelhead for angular internal cylindrical finishing of metal ferrules in fiber optic connectors used in semiconductor testing. HTS 8460.29.0130 for other internal cylindrical metal grinding machines.

High-Speed Internal Profile Grinder

Machine for grinding complex internal cylindrical profiles in metal molds for semiconductor leadframes using high-speed CBN wheels. Classified HTS 8460.29.0130 as other internal cylindrical finishing grinder.

Nano-Precision Internal Bore Grinder

Ultra-precision grinder achieving sub-micron tolerances on internal cylindrical bores for metal shafts in semiconductor wafer probers. HTS 8460.29.0130 covers other internal cylindrical metal grinders.