Tricone Roller Drill Bit
Three-cone roller bit with tungsten carbide inserts for rotary drilling in oilfield boring operations under 8430.41 machinery. Provides crushing and shearing action for various rock types. Classified in 8431.43.80 as parts of boring/sinking rigs.
Import Duty Rates by Country of Origin
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 for rock drilling tools not tied to heading 8430 rigs
General rock drilling tools without principal use in 8426-8430 machinery go to Chapter 82.
If parts of 8426 fork-lifts or similar, not boring rigs
Machinery-specific parts follow parent machine classification.
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
• Include IADC code (e.g
• 517) in invoices to specify formation type and rig compatibility
• Avoid bulk packaging; ship with rig maintenance kits to reinforce machinery-specific use
Related Products under HTS 8431.43.80
Swamp Barge Stabilizer Pontoons
Steel pontoon assemblies for stabilizing 8430.41 drilling barges in marshland boring operations. Provides flotation for sinking rigs. Under 8431.43.80.
Casing Hammer Cylinder
Hydraulic cylinder for down-the-hole casing hammers used with 8430.49 pile driving/sinking rigs. Drives steel casing into ground. 8431.43.80 part.
Pile Driving Lead Guide
Adjustable steel guide channels for pile leads on 8430.41 boring/sinking rigs. Aligns hammer and pile during vertical driving. Fits 8431.43.80.
Rotary Drill Bit for Oil Well Drilling
Tungsten carbide-tipped rotary drill bit designed specifically for use with boring machinery in oil and gas drilling rigs under HTS 8430.41. It features polycrystalline diamond cutters for penetrating hard rock formations during deep well boring. Classified under 8431.43.80 as a part for boring or sinking machinery of subheading 8430.41.
Diamond Impregnated Core Drill Bit
Core drill bit impregnated with industrial diamonds for extracting core samples from geological formations using sinking machinery of 8430.49. Essential for mineral exploration drilling rigs. Falls under 8431.43.80 as a specialized part for boring or sinking equipment.
Drill String Stabilizer
Cylindrical stabilizer with hardened alloy body to centralize drill string in boreholes of 8430.41 boring machinery. Prevents deviation and vibration during oil/gas drilling. Part of 8431.43.80 for boring/sinking equipment parts.