U.S. exports of Unit Construction (Single-Station) Machines for Working Metal (HS 845720) totaled $1.3M in August 2026.
Importers of Unit Construction (Single-Station) Machines for Working Metal paid $84K in duties in August 2026, an average duty rate of 10.00% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Unit Construction (Single-Station) Machines for Working Metal imports of $840K in August 2026 ran 22% below the year-to-date monthly average of $1.1M.
Last updated: August 2026 dataSingle-station unit construction machines perform a fixed set of metalworking operations — typically drilling, tapping, or reaming — at one workstation, making them a cost-effective choice for dedicated production lines in automotive and heavy-equipment manufacturing. Spain and Italy lead US import supply under this heading, with China and Canada also present, pointing to a mix of European precision builders and lower-cost Asian sources. The US schedule separates numerically controlled (N/C) units (8457200010) from conventional non-N/C machines (8457200090), a distinction that affects both duty treatment and end-use suitability assessments. Buyers evaluating N/C versus non-N/C configurations should confirm control-system specifications with the manufacturer before import classification.
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5 import shipments a month
A machining center (heading 8457.10) integrates multiple operations with automatic tool changing and is designed for flexible, multi-step machining. A unit construction machine (8457.20) is purpose-built for a fixed sequence of operations at one station without tool-change capability. If a machine can perform varied operations via ATC, it is more likely a machining center; if it is dedicated to a single production task, it falls under 8457.20. When the distinction is unclear, a binding ruling from CBP is advisable.
Yes. Imports from China under this heading may be subject to Section 301 tariffs in addition to the base MFN duty rate. Importers should verify the current Section 301 list status and any applicable exclusions before entry, as the scope and exclusion landscape has changed over time. A licensed customs broker can confirm the current duty stack for a specific HTS line and origin.
Subheading 2 of 3 in heading 8457
Subheading 845720 · $1.3M of $48.9M
ImportsExports
Imports
$840KYoY · free account
Exports
$1.3MYoY · free account
Low of 9 reported months · imports
Low · free accountOver the twelve months to August 2026, the U.S. exported $11.0M of Unit Construction (Single-Station) Machines for Working Metal.
Through August 2026 · imports 9 of 12 months reported, exports 11 of 12 months reported. Source: U.S. Census Bureau.
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8457200090 | Unit Construction Mach (Single Station), Exc N/C | $840K | 10.00% | 100.00% | $84K |
| 8457200010 | Unit Construction Machines (Single Station), N/C | — | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8457200010 | Unit Construction Machines (Single Station), N/C | $1.3M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Exports · August 2026
destination
Australia and Mexico together take 100% of it.
customs district
origin
entry
rate provision · imports
duty collected equals 10.00% of imports for consumption.