7318.15.80.66—Cap screws
General
8.5%
Units
kg
Column 2
45%
Special
Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
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Plain-English explanation
HTS 7318.15.80.66 is the U.S. Harmonized Tariff Schedule classification for Cap screws. It's a 10-digit statistical line in Chapter 73: Articles of iron or steel, Section XV: Base Metals and Articles of Base Metal, used by U.S. Customs and Border Protection to determine the duty rate at entry. 9 Chapter 99 tariff modifications currently stack on top of the base rate.
New to HTS codes? Read our guide on how HTS classification works →
Tariff modifications(9)
Chapter 99 overlays that stack on the base rate
| Code | Authority | Rate |
|---|---|---|
| 9903.80.03 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.84 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.86 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.90 | section_232 | The duty provided in the applicable subheading + 50%. |
| 9903.81.92 | section_232 | The duty provided in the applicable subheading. |
| 9903.81.93 | section_232 | The duty provided in the applicable subheading + 50%. |
| 9903.81.97 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.99 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.82.02 | section_232 | 50% |
Recent CBP rulings(5)
Past CBP decisions classifying real products under this HTS code. Useful precedent when classifying a similar product — each ruling shows how CBP interpreted the code for a specific case.
The tariff classification of steel automotive screws from Taiwan
The tariff classification of steel wheel nuts and flange bolts from Mexico
The tariff classification of a steel hex head bolt from Japan
The tariff classification of a steel hex head bolt from Japan
The tariff classification of a steel flanged hex head bolt from Japan
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
Frequently asked questions
What is HTS code 7318.15.80.66?
HTS 7318.15.80.66 is the U.S. Harmonized Tariff Schedule classification for Cap screws. It belongs to Chapter 73 of the HTSUS.
What is the general duty rate for HTS 7318.15.80.66?
The general (Column 1) duty rate for HTS 7318.15.80.66 is 8.5%. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
Are there preferential or trade-program rates for HTS 7318.15.80.66?
Yes. Imports of HTS 7318.15.80.66 from countries party to a trade program (such as USMCA, KORUS, GSP, or the African Growth and Opportunity Act) may qualify for the special rate: Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG). Eligibility depends on rules of origin and certification.
What is the Column 2 (statutory) rate for HTS 7318.15.80.66?
The Column 2 rate for HTS 7318.15.80.66 is 45%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
Are there Section 301 or Section 232 tariffs on HTS 7318.15.80.66?
Yes — HTS 7318.15.80.66 is covered by section_232 provision 9903.80.03 (The duty provided in the applicable subheading + 25%). 8 additional overlays also touch this code. Open the code page for the full overlay stack with effective dates and country scopes.
Does HTS 7318.15.80.66 have any antidumping or countervailing duty (AD/CVD) orders?
No active AD/CVD orders currently flag HTS 7318.15.80.66 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
Trade programs(16)
Free Trade Agreement and special-program eligibility
Relevant notes(3)
Section and chapter notes that govern this code
Exclusions from Section XV
This section does not cover: (a) Prepared paints, inks, or other products with a basis of metallic flakes or powder (headings 3207 to 3210, 3212, 3213, or 3215); (b) Ferro-cerium and other pyrophoric alloys (heading 3606); (c) Headgear and parts thereof of heading 6506 or 6507; (d) Umbrella frames or other articles of heading 6603; (e) Goods of chapter 71 (for example, precious-metal alloys, base metal clad with precious metal, imitation jewelry); (f) Articles of section XVI (machinery, mechanical appliances, and electrical equipment); (g) Assembled railway or tramway track (heading 8608); (h) Articles of section XVII (vehicles, aircraft, vessels); (ij) Instruments or apparatus of section XVIII (clocks, optical, musical, arms); (k) Lead shot prepared for ammunition (heading 9306); (l) Articles of section XX (furniture, toys, games, sports); or (m) Hand sieves, buttons, pens, pencil holders, pen nibs, monopods, bipods, tripods, and similar articles of section XX.
Parts of General Use
Throughout this schedule, the expression 'parts of general use' means: (a) Articles of heading 7307, 7312, 7315, 7317, or 7318, and similar articles of other base metal; (b) Springs and leaves for springs, of base metal, other than clock or watch springs (heading 9114); and (c) Articles of headings 8301, 8302, 8308, 8310.
Classification of Composite Articles
Throughout this schedule, the expression 'base metals' means: iron and steel, copper, nickel, aluminum, lead, zinc, tin, tungsten (wolfram), molybdenum, tantalum, magnesium, cobalt, bismuth, cadmium, titanium, zirconium, antimony, manganese, beryllium, chromium, germanium, vanadium, gallium, hafnium, indium, niobium (columbium), rhenium, and thallium.
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