Master Bushing Insert for Offshore Rotary Table
A master bushing insert for offshore rotary tables is a replaceable component that supports the kelly or spider drive during drilling. It is made from hardened steel with a square drive hole, designed for use with boring or sinking machinery of subheading 8430.41 or 8430.49.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +25.0% | 25% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the insert is a general bearing housing component
Bearing housings and plain shaft bearings are classified in heading 84.83.
If used with machinery of heading 84.26 or 84.29
Parts for those machines are classified under 8431.49.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Classify the insert as a part of boring or sinking machinery, not as a standalone tool
• Provide documentation showing its sole use with 8430.41 or 8430.49 equipment
• Confirm the steel grade for CBSA valuation purposes
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