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SITCSection 7
U.S. imports of non-numerically controlled horizontal lathes for metal removal (SITC 73137) totaled $4.0M in April 2026, traded with 17 countries.
Importers of Non-Numerically Controlled Horizontal Lathes for Metal Removal paid $618K in duties in April 2026 — an effective duty rate of 17% on $3.6M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataConventional (non-NC) horizontal lathes — engine lathes, toolroom lathes, and gap-bed lathes — remain in active trade for job shops, maintenance facilities, training institutions, and applications where manual operator skill is preferred over programmed automation. The absence of numerical control is the critical classification boundary separating these machines from their CNC counterparts, and importers should ensure that any digital readout or basic positioning aid on the machine does not rise to the level of numerical control. These machines generally carry lower unit values than CNC equivalents, but origin-based trade-remedy exposure still applies and should be verified at the time of sourcing.
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The classification is determined at the time of importation based on the machine's condition as imported. A lathe imported without numerical control classifies as a non-NC machine regardless of subsequent retrofitting. If the CNC controller is imported separately, it would be classified independently. Importers planning post-entry retrofits should document the machine's condition at entry.
CBP may question the classification if the machine is equipped with a controller that directs axis movement through programmed data, even if marketed as a 'semi-automatic' or 'conversational' lathe. Importers should obtain manufacturer documentation clearly describing the control system's capabilities and confirm that no automatic programmed axis control is present.
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Monthly import values over time