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SITCSection 7
U.S. imports of mold bases (bottom plates for metal & other molds) (SITC 74912) totaled $1.8M in April 2026, traded with 15 countries.
Importers of Mold Bases (Bottom Plates for Metal & Other Molds) paid $312K in duties in April 2026 — an effective duty rate of 22% on $1.4M in dutiable value, based on actual customs collections rather than the published tariff schedule. Mold Bases (Bottom Plates for Metal & Other Molds) imports of $1.8M in April 2026 ran 31% above the year-to-date monthly average of $1.4M.
Last updated: April 2026 dataMold bases — the precision-machined bottom plates that form the structural foundation of injection, compression, and die-casting molds — are critical tooling components in plastics, rubber, and metal-casting manufacturing. Their accuracy requirements (flatness, parallelism, and surface finish) are tightly specified, and suppliers in major tooling-export countries produce standardized sizes that align with DME, Hasco, and similar international mold-component standards. Importers should confirm whether the mold base is presented as a complete standardized unit or as a custom-machined plate, since that distinction may affect classification between this heading and a more specific mold provision.
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Standardized mold bases conforming to recognized industry dimensions (e.g., DME or Hasco series) are generally classified as mold bases under this heading. Custom-machined plates designed as integral parts of a specific mold assembly may instead classify with the complete mold or under a parts provision. The degree of further processing required after importation is a key classification factor.
Importers typically provide material certifications (e.g., P20 or 1.2311 steel grade), dimensional inspection reports confirming flatness and parallelism tolerances, and supplier declarations identifying the standard series. These documents support both customs classification and downstream quality-assurance requirements for mold makers.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| KOREA, SOUTH | $693K | -- | -$693K |
| CHINA | $598K | -- | -$598K |
| CANADA | $446K | $80K | -$365K |
| MALAYSIA | -- | $123K | +$123K |
| MEXICO | $6K | $80K | +$74K |
Monthly import values over time