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HSChapter 72
U.S. imports of hollow drill bars and rods of alloy or nonalloy steel (HS 722880) totaled $722K in April 2026, traded with 4 countries.
Importers of Hollow Drill Bars and Rods of Alloy or Nonalloy Steel paid $382K in duties in April 2026 — an effective duty rate of 48% on $791K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataHollow drill bars and rods are purpose-engineered steel products with an axial bore that allows flushing fluid or air to pass through during rock drilling and mining operations, distinguishing them functionally and commercially from solid bars. Unlike most other headings in Chapter 72, this heading covers both alloy and nonalloy steel in a single line (7228800000), so the alloy content does not drive classification here — the hollow, drill-specific geometry does. China is the dominant supplier to the US market, with the United Kingdom and Italy also notable sources of higher-specification grades used in underground mining and geotechnical drilling.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Hollow drill bars are classified in Chapter 72 (iron and steel) rather than Chapter 73 (tubes and pipes) because they are solid-bar products with a central bore, not tubular products manufactured as hollow sections. The key classification factors are the product's cross-sectional geometry, wall thickness relative to bore diameter, and its design for use as a drill rod rather than for fluid conveyance. CBP rulings have addressed this distinction, and importers should review applicable rulings if the product's geometry is borderline.
Yes. Hollow drill bars from China are subject to Section 232 steel tariffs, and Chinese-origin steel products may also be subject to Section 301 tariffs depending on the specific tariff line and any applicable exclusions. Importers should evaluate both measures simultaneously when calculating landed cost, as the combined exposure can be substantial.
Monthly import values over time
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| CHINA | $429K | -- | -$429K |
| UNITED KINGDOM | $293K | -- | -$293K |
| GERMANY | -- | $163K | +$163K |
| CANADA | -- | $134K | +$134K |
| MEXICO | -- | $14K | +$14K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 7228800000 | HOLLOW DRILL BARS AND RODS, ALLOY/NALLOY STL,NESOI | $722K | 48.33% | $382K |
HOLLOW DRILL BARS AND RODS, ALLOY/NALLOY STL,NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7228800000 | HOLLOW DRILL BARS AND RODS, ALLOY/NALLOY STL,NESOI | $342K |
HOLLOW DRILL BARS AND RODS, ALLOY/NALLOY STL,NESOI
11.7K kg
NONALLOY PIG IRON 0.5 PRCNT OR LESS PHOSPHORUS
HS 720110
SEMIFINISHED PRODUCTS OF ALLOY STEEL NOT STAINLESS
HS 722490
SMFD IRN/NAL STL LT .25 PCT CRB RECT CS WID 2X THK
HS 720712
FR IOS NAL 600MM AO W TIN CTD OR PLTD UNDR 0.5MM T
HS 721012
FERROUS WASTE & SCRAP NESOI, TURNINGS, CHIPS ETC
HS 720441
FERROUS WASTE & SCRAP NESOI
HS 720449
| State | Imports | Exports | Balance |
|---|---|---|---|
| Texas | $312K | $47K | -$265K |
| Arkansas | $250K | $17K | -$233K |
| Pennsylvania | $111K | $67K | -$43K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $403K | -- | -$403K |
| NEW ORLEANS, LA | -- | $163K | +$163K |
| CHARLESTON, SC | $159K | -- | -$159K |