U.S. imports of Mold Bases (Bottom Plates for Metal & Other Molds) (SITC 74912) totaled $2.0M in August 2026, imported from 18 countries.
Importers of Mold Bases (Bottom Plates for Metal & Other Molds) paid $372K in duties in August 2026, an average duty rate of 18.58% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Mold Bases (Bottom Plates for Metal & Other Molds) imports of $2.0M in August 2026 ran 21% above the year-to-date monthly average of $1.7M.
Last updated: August 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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79 import shipments a month
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.
Basic heading 74912 · $2.0M of $172.0B
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Imports · August 2026
origin
China and South Korea together supply 64% of it. China pays 40.4% duty; Canada 0.0%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$2.0MYoY · free account
Exports
$1.2MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $18.4M of Mold Bases (Bottom Plates for Metal & Other Molds).
Through August 2026 · exports 10 of 12 months reported. Source: U.S. Census Bureau.