Chapter 84 · Machinery and mechanical appliances; computers · Section 16

HS Code 8431.43

Parts for boring or sinking machinery of subheading 8430.41 or 8430.49

Heading 8431: Parts suitable for use solely or principally with the machinery of headings 8425 to 8430

US duty (general)
Free
US HTS lines
2
EU CN codes
1
UK commodity codes
3
Unit
No.

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 8431.43

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS codeDescriptionGeneralSpecialOtherUnit
8431.43.40 Parts for boring or sinking machinery of subheading 8430.41 or 8430.49 >
Of offshore oil and natural gas drilling and production platforms 		Free - 45% No.
8431.43.80 Parts for boring or sinking machinery of subheading 8430.41 or 8430.49 >
Other
4 statistical lines (10-digit)
  • 8431.43.80.20 - Tool joints, whether or not forged
  • 8431.43.80.40 - Drill pipe fitted with tool joints
  • 8431.43.80.60 - Other
  • 8431.43.80.90 - Of other boring or sinking machinery
 Free - 35% No.

Estimate the US duty runs in your browser · no caps

Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

European Union - CN codes under 8431.43

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN codeDescription
8431 43 00 Parts for boring or sinking machinery of subheading 843041 or 843049 EU duty (TARIC) →

United Kingdom - commodity codes under 8431.43

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity codeDescription
8431 43 00 00 Parts for boring or sinking machinery of subheading 8430 41 or 8430 49 UK duty & VAT →
8431 43 00 11 Specific pre-assembled or ready-to assemble sections for new mobile cranes UK duty & VAT →
8431 43 00 90 Other UK duty & VAT →
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 8431

8431.00 8431 Parts suitable for use solely or principally with the machinery of headings 8425 to 8 8431.10 Of machinery of heading 8425 8431.20 Of machinery of heading 8427 8431.31 Of passenger or freight elevators other than continuous action, skip hoists or escalators 8431.39 Other 8431.41 Buckets, shovels, grabs and grips 8431.42 Bulldozer or angledozer blades 8431.43 Parts for boring or sinking machinery of subheading 8430.41 or 8430.49 8431.49 Other

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.