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NAICSSector 33
U.S. imports of precision turned products (NAICS 332721) totaled $45.8M in April 2026, traded with 27 countries.
Importers of Precision Turned Products paid $6.2M in duties in April 2026 — an effective duty rate of 22% on $27.8M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataPrecision-turned components — produced on automatic screw machines, CNC turning centers, and Swiss-type lathes — serve as critical sub-assemblies in medical devices, hydraulic systems, automotive fuel systems, and defense applications. NAICS 332721 captures establishments whose primary output is close-tolerance turned parts rather than standard fasteners, with dimensional tolerances often measured in thousandths of an inch and surface finish specifications tied to functional performance. Material diversity is broad: carbon steel, stainless steel, brass, aluminum, and titanium are all common, and each carries distinct HTS classification and potentially different duty treatment. Importers of precision-turned parts should ensure that supplier quality documentation — including dimensional inspection reports and material certifications — accompanies each shipment to support both customs entry and downstream customer requirements.
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Standard fasteners (bolts, screws, nuts) are classified in HTS Chapter 73 by thread type, head style, and material. Precision-turned parts that do not function as fasteners are typically classified by their material composition and end-use function — often in Chapter 73, 74, 76, or even Chapter 84/85 if they are identifiable parts of a specific machine. The functional identity of the part, not just its manufacturing method, drives HTS classification.
Importers should request a dimensional inspection report (first-article or statistical sampling), a material test report or certificate of conformance referencing the applicable ASTM or AMS specification, and — for regulated end-uses such as medical or aerospace — full traceability records linking the part to its raw material heat lot. These documents support both customs entry and downstream customer audits.
| Country | Imports | Exports | Balance |
|---|---|---|---|
| MEXICO | $8.1M | $42.0M | +$33.9M |
| KOREA, SOUTH | $20.1M | $1.0M | -$19.1M |
| AUSTRALIA | -- | $9.8M | +$9.8M |
| THAILAND | $6.5M | $477K | -$6.0M |
| CHINA | $4.6M | $1.5M | -$3.1M |
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Monthly import values over time
No geographic breakdown available
U.S. trade for this product is not broken down by state or port in the latest Census Bureau release.