HEADING 8466
Parts and accessories suitable for use solely or principally with the machines of headings 8456 to 8465, including work or tool holders, self-opening dieheads, dividing heads and other special attachments for the machines; tool holders for any type of tool for working in the hand:
Part of Chapter 84 — Nuclear Reactors, Machinery, Section XVI.
Subheadings and tariff lines
8466.10.01Tool holders and self-opening dieheads
8466.10.01.10Tool holders for forming-type or cutting-type dies
8466.10.01.30Holders for replaceable cutting or drill inserts
8466.10.01.75Other
8466.20Work holders:
8466.20.10For machine tools used in cutting gears
8466.20.10.10Jigs and fixtures
8466.20.10.90Other
8466.20.80Other
8466.20.80D01For metalworking machine tools:
8466.20.80.20Jigs and fixtures
8466.20.80.35Other
8466.20.80D02Other work holders:
8466.20.80.40Jigs and fixtures
8466.20.80.65Other
8466.30Dividing heads and other special attachments for machines:
8466.30.10.00Dividing heads
8466.30D03Other special attachments
8466.30.60Machines
8466.30.60.40For woodworking machines
8466.30.60.85Other
8466.30.80.00Other
8466D04Other:
8466.91For machines of heading 8464:
8466.91.10.00Cast-iron parts not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery
8466.91.50.00Other
8466.92For machines of heading 8465:
8466.92.10.00Cast-iron parts not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery
8466.92.50Other
8466.92.50.10Of woodworking machines
8466.92.50.90Other
8466.93For machines of headings 8456 to 8461:
8466.93.11.00For water-jet cutting machines
8466.93D05Other:
8466.93.11.00D06Bed, base, table, head, tail, saddle, cradle, cross slide, column, arm, saw arm, wheelhead, tailstock, headstock, ram, frame, work-arbor support, and C-frame castings, weldments or fabrications:
8466.93.15Cast-iron parts not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery
8466.93.15.30For metalworking machine tools for cutting, grinding or finishing gears
8466.93.15.60Other
8466.93.11.00D07Other:
8466.93.30.00Of metalworking machine tools for cutting gears
8466.93.53Other
8466.93.53.40Of metalworking machine tools for grinding or finishing gears
8466.93.53.85Other
8466.93.11.00D08Other:
8466.93.60Cast-iron parts not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery
8466.93.60.30For metalworking machine tools for cutting, grinding or finishing gears
8466.93.60.60Other
8466.93.11.00D09Other:
8466.93.75.00Of metalworking machine tools for cutting gears
8466.93.60D10Other:
8466.93.96.00Parts and accessories of machine tools of subheadings 8456.11, 8456.12, 8456.30, 8457.10, 8458.91, 8459.21, 8459.61 and 8461.50, of a kind used solely or principally for the manufacture of printed circuits, printed circuit assemblies, parts of heading 8517 or parts of automatic data processing machines
8466.93.98Other
8466.93.98.40Of metalworking machine tools for grinding or finishing gears
8466.93.98.85Other
8466.94For machines of heading 8462 or 8463:
8466.94D11Cast-iron parts not advanced beyond cleaning, and machined only for the removal of fins, gates, sprues and risers or to permit location in finishing machinery:
8466.94.20.00Bed, base, table, column, cradle, frame, bolster, crown, slide, rod, tailstock and headstock castings, weldments or fabrications
8466.94.40.00Other
8466.94D12Other
8466.94.65Bed, base, table, column, cradle, frame, bolster, crown, slide, rod, tailstock and headstock castings, weldments or fabrications
8466.94.65.40Parts of mechanical transfer presses
8466.94.65.85Other
8466.94.85Other
8466.94.85.40Parts of mechanical transfer presses
8466.94.85.85Other
Recent CBP rulings on heading 8466
N356344
December 5, 2025
The tariff classification and country of origin of a screwdriver, pry bar, shears, and spinner handle
N355067
November 10, 2025
The tariff classification and country of origin of a tool set, and the country of origin of a separately imported ratchet handle and a separately imported extension bit holder
N355094
October 30, 2025
The tariff classification and country of origin of a breaker bar, locking chain pliers and locking pliers
N354150
September 26, 2025
The tariff classification of a tool set from China
N354119
September 26, 2025
The tariff classification of a tool set from China
N354149
September 26, 2025
The tariff classification of a tool set from China
N354068
September 25, 2025
The tariff classification of a tool set from China
N353882
September 25, 2025
The classification and country of origin of a tool set
N354134
September 25, 2025
The tariff classification of a tool set from China
N351889
August 11, 2025
The tariff classification and country of origin of an extension bar, a socket adapter, an extended spark plug socket, a flex head spark plug socket and a universal joint socket
N352233
August 11, 2025
The tariff classification and country of origin of a drive socket, a drive bit socket, an impact socket, an impact socket adapter and a spark plug socket
N351249
July 22, 2025
The tariff classification and country of origin of sockets, a drive bit socket and an impact socket adapter
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