8431.43.80.90—Parts for boring or sinking machinery of subheading 8430.41 or 8430.49, of other boring or sinking machineryGeneral
Free
Units
No.
Column 2
35%
Special
—
HTS 8431.43.80.90 is the U.S. Harmonized Tariff Schedule classification for Parts for boring or sinking machinery of subheading 8430.41 or 8430.49, of other boring or sinking machinery. It's a 10-digit statistical line in Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof, Section XVI: Machinery and Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders and Reproducers, Television Image and Sound Recorders and Reproducers, and Parts and Accessories of Such Articles, used by U.S. Customs and Border Protection to determine the duty rate at entry. 11 Chapter 99 tariff modifications currently stack on top of the base rate.
New to HTS codes? Read our guide on how HTS classification works →
Chapter 99 overlays that stack on the base rate
| Code | Authority | Rate |
|---|---|---|
| 9903.80.03 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.84 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.86 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.91 | section_232 | The duty provided in the applicable subheading + a duty of 50% upon the value of the steel content. |
| 9903.81.92 | section_232 | The duty provided in the applicable subheading. |
| 9903.81.98 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.82.05 | section_232 | 15% |
| 9903.82.13 | section_232 | 0% |
| 9903.82.15 | section_232 | 10% |
| 9903.88.01 | section_301 | The duty provided in the applicable subheading plus 25% |
| 9903.88.15 | section_301 | The duty provided in the applicable subheading + 7.5% |
Past CBP decisions classifying real products under this HTS code. Useful precedent when classifying a similar product — each ruling shows how CBP interpreted the code for a specific case.
The tariff classification, country of origin, and United States-Mexico-Canada Agreement (USMCA) eligibility of wireline drill rods
Application for Further Review of Protest 3304-2013-150006; Tariff Classification of a Float Collar / Float Shoe; NAFTA Preferential Treatment.
The tariff classification of parts of mining and rock drilling equipment from China and/or Sweden
The tariff classification of a head assembly for a mineral drill from Canada.
The tariff classification of reverse circulation drill pipe assemblies from Canada
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
HTS 8431.43.80.90 is the U.S. Harmonized Tariff Schedule classification for Parts for boring or sinking machinery of subheading 8430.41 or 8430.49, of other boring or sinking machinery. It belongs to Chapter 84 of the HTSUS.
The general (Column 1) duty rate for HTS 8431.43.80.90 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
The Column 2 rate for HTS 8431.43.80.90 is 35%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
Yes — HTS 8431.43.80.90 is covered by section_232 provision 9903.80.03 (The duty provided in the applicable subheading + 25%). 10 additional overlays also touch this code. Open the code page for the full overlay stack with effective dates and country scopes.
No active AD/CVD orders currently flag HTS 8431.43.80.90 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
Tandom guides relevant to this code
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