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NAICSSector 33
U.S. exports of precision turned products (NAICS 332721) totaled $90.9M in July 2026.
Importers of Precision Turned Products paid $4.0M in duties in July 2026 — an effective duty rate of 19% on $20.7M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 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.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
1.8K shipments/mo
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.
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National industry 2 of 2 in naics industry 33272
National industry 332721 · $37.7M of $538.1M
Exports · July 2026
destination
Mexico and Australia together take 54% of it.
customs district
Census does not publish district detail for this classification system.
origin
Census publishes state breakdowns for NAICS to the 4-digit level only. See NAICS 3327 for those.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$37.7MYoY · Pro
Exports
$90.9MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.