U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
7318.15.8045
$185.1M monthly imports
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Ruling Age
17 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-05-05 · Updates monthly
The tariff classification of a cylinder head bolt from Korea.
N029955 June 5, 2008 CLA-2-73:OT:RR:E:NC:N1:118 CATEGORY: Classification TARIFF NO.: 7318.15.8045 Mr. Howard D. Esterman Import and Trade Supervisor Kia Motors America, Inc. 111 Peters Canyon Road Irvine, CA 92606-1790 RE: The tariff classification of a cylinder head bolt from Korea. Dear Mr. Esterman: In your letter dated June 3, 2008, you requested a tariff classification ruling. You have described your merchandise, part number 2232135000, as a steel cylinder head bolt. It is designed to mate with a preformed internal thread to secure the cylinder head to the top of the engine block. The submitted drawing indicates the fastener is M12x1.25 and has a hexagon socket within the cylindrical head. The applicable subheading for the steel cylinder head bolt will be 7318.15.8045, Harmonized Tariff Schedule of the United States (HTSUS), which provides for screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel: threaded articles: other screws and bolts, whether or not with their nuts or washers: other: having shanks or threads with a diameter of 6 mm or more: other: socket screws: other. The duty rate will be 8.5% ad valorem. Duty rates are provided for your convenience and are subject to change. The text of the most recent HTSUS and the accompanying duty rates are provided on World Wide Web at http://www.usitc.gov/tata/hts/. This ruling is being issued under the provisions of Part 177 of the Customs Regulations (19 C.F.R. 177). A copy of the ruling or the control number indicated above should be provided with the entry documents filed at the time this merchandise is imported. If you have any questions regarding the ruling, contact National Import Specialist Kathy Campanelli at 646-733-3021. Sincerely, Robert B. Swierupski Director, National Commodity Specialist Division