Other
Other moving, grading, leveling, scraping, excavating, tamping, compacting, extracting or boring machinery, for earth, minerals or ores; pile-drivers and pile-extractors; snowplows and snowblowers: > Other boring or sinking machinery: > Other: > Other > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8430.49.80.50
Horizontal Directional Drill
A horizontal directional drill is specialized machinery used for installing underground pipelines and cables by boring horizontally through soil without surface trenching. It falls under HTS 8430.49.8050 as other boring machinery for earth, distinct from vertical drilling rigs.
Auger Boring Machine
An auger boring machine uses a rotating helical screw blade to bore cylindrical holes through earth for pipe jacking in utility installations. Classified under HTS 8430.49.8050 as other earth boring machinery, separate from hand tools or vertical rigs.
Tunnel Boring Machine Head
The cutting head assembly of a tunnel boring machine drills through earth and rock formations for underground construction. It qualifies under HTS 8430.49.8050 as other boring machinery for earth when not a complete TBM system.
Pile Boring Auger
A heavy-duty auger attachment for drilling deep holes in earth for concrete pile foundations in construction. Falls under HTS 8430.49.8050 as other boring machinery specifically for earth foundation work.
Rotary Wash Boring Rig
A drilling rig using circulating drilling fluid to bore through unconsolidated earth formations for geotechnical investigation. Classified in HTS 8430.49.8050 as other earth boring machinery using wash boring method.
Core Boring Machine for Soil
Equipment that extracts cylindrical soil core samples using diamond or tungsten carbide bits for engineering analysis. Under HTS 8430.49.8050 as other boring machinery designed specifically for earth/soil coring.
Continuous Flight Auger Driller
Machinery employing continuous helical augers to excavate earth while simultaneously placing concrete piles. Classified under HTS 8430.49.8050 as specialized earth boring equipment for foundation piling.
Vibro Boring Hammer
A vibratory hammer attachment that loosens earth through high-frequency vibrations for borehole creation. Falls under HTS 8430.49.8050 as other boring machinery employing vibration technology for earth.
Directional Earth Boring Tool
Steerable underground boring tool for guided installation of utilities through precise earth boring paths. Classified in HTS 8430.49.8050 as other specialized boring machinery for controlled earth penetration.
Soil Mixing Boring Rig
Drilling rig that bores while simultaneously mixing cement slurry with native soil for ground improvement. Under HTS 8430.49.8050 as boring machinery with integrated soil stabilization function for earth.
Deep Soil Sampler Borer
Heavy-duty borer for extracting undisturbed soil samples from depths exceeding 50 meters for geotechnical engineering. Classified under HTS 8430.49.8050 as specialized deep earth boring sampling equipment.
Jet Grouting Boring Unit
High-pressure water jet boring unit that erodes soil while injecting cement grout for ground improvement columns. Falls under HTS 8430.49.8050 as other hydraulic boring machinery for earth.
Percussion Earth Boring Hammer
Down-the-hole hammer using percussive blows to fracture and bore through overburden soils. Classified in HTS 8430.49.8050 as other boring machinery employing percussion method for earth.
Crawler-Mounted Soil Borer
Tracked boring machine on crawler chassis for stable soil boring in soft ground conditions. Under HTS 8430.49.8050 as other earth boring machinery (not self-propelled under separate heading).
Wireline Soil Coring Rig
Coring rig using wireline retrieval system for rapid soil sample recovery during continuous boring operations. Classified under HTS 8430.49.8050 as specialized earth boring equipment with wireline technology.