Underreamer Tool
Expandable cutting tool used to enlarge wellbore diameter below the main hole in oil/gas drilling operations. Covered under HTS 8430.49.8020 as other boring machinery for gas field applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported solely as interchangeable cutting blades
Rock drilling cutters classified as interchangeable tools in Chapter 82.
If for underreamer components without actuation systems
Incomplete boring tools treated as parts under 8431.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document cutter size range and expansion mechanism; comply with API cutter hardness specs; clearly mark as complete operational units
Related Products under HTS 8430.49.80.20
Rotary Steerable Drilling System
A advanced drilling tool used in oil and gas fields to steer the drill bit directionally without rotating the entire drill string. It falls under HTS 8430.49.8020 as specialized boring machinery for oil well and gas field drilling, distinct from basic derricks or complete rigs.
Casing Running Tool
Hydraulic-powered machinery for installing and running steel casing pipes into oil or gas wells during drilling operations. Classified under HTS 8430.49.8020 as other boring machinery specifically for oil/gas field drilling applications.
Drilling Jar
Mechanical device deployed in drill strings to deliver upward and downward jarring forces to free stuck pipe in oil/gas wells. HTS 8430.49.8020 covers this as specialized boring/sinking equipment for gas field drilling.
Sidetracking Whipstock
Directional drilling tool that anchors in the wellbore to deflect the drill bit for creating branch wells from existing boreholes in oil/gas fields. Falls under 8430.49.8020 as other oil/gas boring machinery.
Fishing Magnet Assembly
Powerful electromagnet tool lowered into oil/gas wells to retrieve dropped metal objects like drill bits or tools. Classified in HTS 8430.49.8020 for specialized gas field boring retrieval machinery.
Impression Block
Lead-filled tool dropped into oil/gas wells to capture impressions of downhole obstructions for analysis and fishing tool selection. HTS 8430.49.8020 applies to this specialized boring diagnostic equipment.