U.S. imports of Semiconductor Manufacturing Machines — Mask/Reticle, Assembly, and Handling Equipment (HS 848640) totaled $147.5M in August 2026, imported from 33 countries.
Importers of Semiconductor Manufacturing Machines — Mask/Reticle, Assembly, and Handling Equipment paid $1.9M in duties in August 2026, an average duty rate of 1.27% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataDefined by Chapter 84 Note 11(c), this heading captures three specialized categories of semiconductor production equipment: machines for manufacturing or repairing photomasks and reticles (8486400010), machines for assembling semiconductor devices or ICs (8486400020), and equipment for lifting, handling, loading, or unloading boules, wafers, and related articles (8486400030). Japan and Singapore are the top two supplier countries, consistent with their deep integration into global semiconductor equipment supply chains. The reticle-manufacturing and assembly segments are particularly sensitive to export-control regimes given their role in advanced-node chip production.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
1.4K import shipments a month
Machines that produce or repair the photomask or reticle itself — such as electron-beam writers or mask inspection systems — are classified under 8486400010. The lithography scanners and steppers that use finished reticles to expose wafers are classified under 8486200000. The distinction is whether the machine acts on the reticle as a workpiece or uses it as a tool.
Robots and automated equipment specifically designed for lifting, loading, unloading, or transporting semiconductor boules, wafers, or related articles within a fab environment are classified under 8486400030 by virtue of Chapter 84 Note 11(c). General-purpose industrial robots not specifically designed for semiconductor handling would be classified elsewhere, typically under heading 8479. The key criterion is whether the equipment is purpose-built for semiconductor-related material handling.
Subheading 4 of 5 in heading 8486
Subheading 848640 · $147.5M of $2.3B
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ImportsExports
Imports
$147.5MYoY · free account
Exports
$59.3MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $1.4B of Semiconductor Manufacturing Machines — Mask/Reticle, Assembly, and Handling Equipment and exported $662.2M.
Through August 2026. Source: U.S. Census Bureau.
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 |
|---|---|---|---|---|---|
| 8486400030 | Mach for Lift/Handl/Etc of Boules/Wafer/Semcnd, Etc | $125.8M | 0.80% | 3.09% | $1.0M |
| 8486400020 | Mach & Apps for Assemb Semiconductor Device/ IC | $19.7M | 4.28% | 24.00% | $841K |
| 8486400010 | Mach & Apps for Manuf/Repair of Masks & Reticles | $639K | 0.79% | 3.17% | $5K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8486400030 | Mach for Lift/Handl/Etc of Boules/Wafer/Semcnd, Etc | $47.0M |
| 8486400020 | Mach & Apps for Assemb Semiconductor Device/ IC | $11.3M |
| 8486400010 | Mach & Apps for Manuf/Repair of Masks & Reticles | $1.0M |
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.
Imports · August 2026
origin
China and Japan together supply 52% of it.
customs district
destination
entry
rate provision · imports
91.0% enters free of duty; duty collected equals 1.27% of imports for consumption.