HTS heading 8466 · Chapter 84
HTS 8466: Parts and accessories suitable for use solely or…
HTS heading 8466 covers 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. It has 22 tariff lines with a duty rate; the general (MFN) rates are Free (9 lines), 4.7% (5 lines), 3.7% (2 lines) and others.
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| 8466.10.01 | Tool holders and self-opening dieheads | 3.9% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| 8466.10.01.10 | Tool holders for forming-type or cutting-type dies[No.] | Estimate → | |||
| 8466.10.01.30 | Holders for replaceable cutting or drill inserts[No.] | Estimate → | |||
| 8466.10.01.75 | Other[No.] | Estimate → | |||
| 8466.20 | Work holders: | ||||
| 8466.20.10 | For machine tools used in cutting gears | 4.6% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| 8466.20.10.10 | Jigs and fixtures[No.] | Estimate → | |||
| 8466.20.10.90 | Other[No.] | Estimate → | |||
| 8466.20.80 | Other | 3.7% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| For metalworking machine tools: | |||||
| 8466.20.80.20 | Jigs and fixtures[No.] | Estimate → | |||
| 8466.20.80.35 | Other[No.] | Estimate → | |||
| Other work holders: | |||||
| 8466.20.80.40 | Jigs and fixtures[No.] | Estimate → | |||
| 8466.20.80.65 | Other[No.] | Estimate → | |||
| 8466.30 | Dividing heads and other special attachments for machines: | ||||
| 8466.30.10.00 | Dividing heads[No.] | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | Estimate → |
| Other special attachments | |||||
| 8466.30.60 | Machines | 2.9% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| 8466.30.60.40 | For woodworking machines[No.] | Estimate → | |||
| 8466.30.60.85 | Other[No.] | Estimate → | |||
| 8466.30.80.00 | Other[No.] | 8% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | Estimate → |
| Other: | |||||
| 8466.91 | For machines of heading 8464: | ||||
| 8466.91.10.00 | Cast-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[kg] | Free | 10% | Estimate → | |
| 8466.91.50.00 | Other[No.] | Free | 35% | Estimate → | |
| 8466.92 | For machines of heading 8465: | ||||
| 8466.92.10.00 | Cast-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[kg] | Free | 10% | Estimate → | |
| 8466.92.50 | Other | 4.7% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| 8466.92.50.10 | Of woodworking machines[No.] | Estimate → | |||
| 8466.92.50.90 | Other[No.] | Estimate → | |||
| 8466.93 | For machines of headings 8456 to 8461: | ||||
| 8466.93.11.00 | For water-jet cutting machines[No.] | Free | 35% | Estimate → | |
| Other: | |||||
| Bed, 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: | |||||
| 8466.93.15 | Cast-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 | Free | 10% | ||
| 8466.93.15.30 | For metalworking machine tools for cutting, grinding or finishing gears[kg] | Estimate → | |||
| 8466.93.15.60 | Other[kg] | Estimate → | |||
| Other: | |||||
| 8466.93.30.00 | Of metalworking machine tools for cutting gears[No.] | 5.8% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | Estimate → |
| 8466.93.53 | Other | 4.7% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| 8466.93.53.40 | Of metalworking machine tools for grinding or finishing gears[No.] | Estimate → | |||
| 8466.93.53.85 | Other[No.] | Estimate → | |||
| Other: | |||||
| 8466.93.60 | Cast-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 | Free | 10% | ||
| 8466.93.60.30 | For metalworking machine tools for cutting, grinding or finishing gears[kg] | Estimate → | |||
| 8466.93.60.60 | Other[kg] | Estimate → | |||
| Other: | |||||
| 8466.93.75.00 | Of metalworking machine tools for cutting gears[No.] | 5.8% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | Estimate → |
| Other: | |||||
| 8466.93.96.00 | Parts 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[No.] | Free | 35% | Estimate → | |
| 8466.93.98 | Other | 4.7% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| 8466.93.98.40 | Of metalworking machine tools for grinding or finishing gears[No.] | Estimate → | |||
| 8466.93.98.85 | Other[No.] | Estimate → | |||
| 8466.94 | For machines of heading 8462 or 8463: | ||||
| Cast-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: | |||||
| 8466.94.20.00 | Bed, base, table, column, cradle, frame, bolster, crown, slide, rod, tailstock and headstock castings, weldments or fabrications[kg] | Free | 10% | Estimate → | |
| 8466.94.40.00 | Other[kg] | Free | 10% | Estimate → | |
| Other | |||||
| 8466.94.65 | Bed, base, table, column, cradle, frame, bolster, crown, slide, rod, tailstock and headstock castings, weldments or fabrications | 4.7% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| 8466.94.65.40 | Parts of mechanical transfer presses[No.] | Estimate → | |||
| 8466.94.65.85 | Other[No.] | Estimate → | |||
| 8466.94.85 | Other | 4.7% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| 8466.94.85.40 | Parts of mechanical transfer presses[No.] | Estimate → | |||
| 8466.94.85.85 | Other[No.] | Estimate → |
47 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 8466.10.01 at the general rate of 3.9%, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (3.9%) | $390.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $437.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.
Special program codes in this heading
- A, A*, A+
- Generalized System of Preferences (GSP)
- AU
- U.S.–Australia FTA
- BH
- U.S.–Bahrain FTA
- CL
- U.S.–Chile FTA
- CO
- U.S.–Colombia Trade Promotion Agreement
- D
- African Growth and Opportunity Act (AGOA)
- E, E*
- Caribbean Basin Economic Recovery Act
- IL
- U.S.–Israel FTA
- JO
- U.S.–Jordan FTA
- JP
- U.S.–Japan Trade Agreement
- KR
- U.S.–Korea FTA (KORUS)
- MA
- U.S.–Morocco FTA
- OM
- U.S.–Oman FTA
- P, P+
- CAFTA-DR
- PA
- U.S.–Panama Trade Promotion Agreement
- PE
- U.S.–Peru Trade Promotion Agreement
- S, S+
- USMCA (United States–Mexico–Canada Agreement)
- SG
- U.S.–Singapore FTA
A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.
Frequently asked questions
What is the duty rate for HTS 8466?
Heading 8466 has 22 rate lines. The general (MFN) duty rates are Free (9 lines), 4.7% (5 lines), 3.7% (2 lines), 5.8% (2 lines). Products of free trade agreement partners may enter at the special rate, and Column 2 rates apply to countries without normal trade relations. Chapter 99 tariffs can be added on top: calculate the full amount.
Do Section 301, 232 or 201 tariffs apply to HTS 8466?
It depends on the 8- or 10-digit subheading, the country of origin, the entry date and, for Section 232, the metal content. These additional duties are listed in Chapter 99 of the HTS. The free duty calculator checks each program for a given code, origin and date and shows which apply and why.
What fees are added to an import under HTS 8466?
Formal entries pay the Merchandise Processing Fee of 0.3464% of value (minimum $34.58, maximum $670.86 in FY2027). Ocean shipments also pay the Harbor Maintenance Fee of 0.125% of value. See the import duty calculator for how they combine.