Premium NC50 Forged Tool Joint

Premium-class forged tool joint with NC50 numerical connection threads, used in high-torque oilfield drilling to join heavy-weight drill pipes. Classified under HTS 8431.43.8020 for tool joints of oil and gas field boring machinery.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8431.43.80.40Same rate: 35%

If made of stainless steel rather than carbon/alloy steel

Stainless steel tool joints have specific provisions within the same heading.

7326.90.86Higher: 37.9% vs 35%

If imported as loose threaded components without tool joint assembly

Loose forged steel threaded articles classified as other steel articles in Chapter 73.

8431.49Lower: 10% vs 35%

If for use in mining bore machinery

Parts for mining-specific boring equipment fall under different oil/gas exclusion.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Provide detailed thread gauge reports to confirm NC50 specs and prevent misclassification as generic fittings

Use ISPM 15 compliant wooden crates for shipping to avoid fumigation issues at US ports

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