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HSChapter 84
U.S. imports of parts for bookbinding machinery, including parts for book-sewing machines (HS 844090) totaled $4.1M in June 2026, traded with 34 countries.
Importers of Parts for Bookbinding Machinery, Including Parts for Book-Sewing Machines paid $395K in duties in June 2026 — an effective duty rate of 10% on $3.9M in dutiable value, based on actual customs collections rather than the published tariff schedule. Parts for Bookbinding Machinery, Including Parts for Book-Sewing Machines imports of $4.1M in June 2026 ran 12% above the year-to-date monthly average of $3.6M.
Replacement and aftermarket parts for bookbinding and book-sewing equipment enter under a single tariff line, 8440900000, and are sourced primarily from Japan and Switzerland — the same precision-engineering hubs that supply the parent machines. Parts trade in this heading is driven by the long service lives of industrial binding lines, where OEM components for folder-gluers, perfect binders, and thread-sewers must meet tight mechanical tolerances. Importers should verify that multi-function components used across both bookbinding and other paper-working machinery are correctly classified here rather than under the broader parts heading for paper-making machinery (HTS 8441).
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
CBP looks for evidence of dedicated use — OEM part numbers, technical drawings, or manufacturer declarations confirming the component is designed solely or principally for bookbinding or book-sewing equipment. Generic fasteners, bearings, or motors that serve multiple machine types are typically classified by their own headings rather than as parts of bookbinding machinery.
Latvia hosts several specialized precision-engineering and metalworking firms that supply components to European binding-equipment OEMs, and some finished parts are exported directly to the US market. Its presence reflects the broader Eastern European role in supplying machined components to Western European capital-goods manufacturers.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| SWITZERLAND | $833K | -- | -$833K |
| JAPAN | $777K | $32K | -$745K |
| GERMANY | $742K | $18K | -$724K |
| LATVIA | $704K | -- | -$704K |
| PORTUGAL | $366K | -- | -$366K |
Monthly import values over time
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8440900000 | PARTS FOR BOOKBIND MACH, INC BOOK-SEW MACHINES | $4.1M | 9.74% | 97.38% | $395K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8440900000 | PARTS FOR BOOKBIND MACH, INC BOOK-SEW MACHINES | $457K |
DIGITAL PROCESSING UNITS, N.E.S.O.I.
HS 847150
PARTS & ACCESSORIES FOR ADP MACHINES & UNITS
HS 847330
PORT DIGTL AUTOMATIC DATA PROCESS MACH NOT > 10 KG
HS 847130
AUTOMATIC DATA PROCESSING STORAGE UNITS, N.E.S.O.I
HS 847170
AUTOMATIC DATA PROCESSING UNITS, N.E.S.O.I.
HS 847180
TURBOJET AND TURBOPROLLER PARTS
HS 841191
| State | Imports | Exports | Balance |
|---|---|---|---|
| New York | $1.2M | -- | -$1.2M |
| Pennsylvania | $610K | $62K | -$548K |
| Massachusetts | $644K | -- | -$644K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEWARK, NJ | $2.4M | -- | -$2.4M |
| JFK INTERNATIONAL AIRPORT, NY | $560K | $26K | -$534K |
| CHICAGO, IL | $235K | $73K | -$162K |