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§ HTS 7318.21.00 · US import duty

Spring washers and other lock washers

Chapter
73
MFN base rate
5.8%
Active overlays
1
Scope
Active: section301

AD/CVD not evaluated. CBP determines binding classification at entry. Methodology →

Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel: · Spring washers and other lock washers
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HTS CODE
7318.21.00
General (MFN)5.8%
SpecialFree (A,AU,B,B…
Other (Column 2)35%
§99 overlays1

Base tariff columnsBase tariff columns

Column rates from the USITC HTS export. The column that applies depends on origin and trade-program eligibility.

General (MFN)5.8%
SpecialFree (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.9% (JP)
Other (Column 2)35%

Official source: USITC Harmonized Tariff Schedule. Duty at entry is determined by US Customs and Border Protection (CBP). AD/CVD and product-specific exclusions are not evaluated by default.

Chapter 99 overlaysChapter 99 overlays

  • 9903.88.03 section301 +25% active
    Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
    Applies to China

§ DUTY BREAKDOWNDuty breakdown

Duty ledger below is calculated on a $10,000 customs value. Fees, AD/CVD, and exclusions are not included here.

China (CN)
Total 30.8% · $3,080.00
Duty breakdown Rate Amount Source
Base dutyBase 5.8% $580.00 HTS General rate
Chapter 99 section301Chapter 99 25% $2,500.00 9903.88.03
Status: exact Methodology: tariff-ledger-v1 Data: d4c9e6f79bac8e84

§ CLASSIFICATION WATCH-OUTSClassification watch-outs

These sibling HTS entries share the same parent but differ in duty rate or Chapter 99 coverage. They are review prompts, not classification recommendations.

  • 7318.11.00.00
    Coach screws
    Base rate: 12.5% Chapter 99: 1 Base rate differs from selected HTS
  • 7318.12.00.00
    Other wood screws
    Base rate: 12.5% Chapter 99: 1 Base rate differs from selected HTS
  • 7318.13.00
    Screw hooks and screw rings
    Base rate: 5.7% Chapter 99: 1 Base rate differs from selected HTS
  • 7318.14
    Self-tapping screws:
    Base rate: — Chapter 99: 0 Base rate differs from selected HTSChapter 99 coverage differs
  • 7318.15
    Other screws and bolts, whether or not with their nuts or washers:
    Base rate: — Chapter 99: 0 Base rate differs from selected HTSChapter 99 coverage differs

§ ORIGIN COMPARISONAlternative origin comparison

This compares tariff-only outcomes for the same HTS across origin countries. Freight, AD/CVD, exclusions, broker fees, and relocation cost are not included.

China → Vietnam
$2,500.00 tariff-only saving
Origin Total rate Duty @ $10,000 Delta vs baseline
China (CN) 30.8% $3,080.00 —
Vietnam (VN) 5.8% $580.00 -$2,500.00
Mexico (MX) 5.8% $580.00 -$2,500.00
India (IN) 5.8% $580.00 -$2,500.00
South Korea (KR) 5.8% $580.00 -$2,500.00

Sample duty by originSample duty by origin

Illustrative calculation at USD 10,000 customs value, standard (non-preferential) claim. Chapter 99 additional duties applied where status is active.

Origin Base rate Chapter 99 Total rate Duty (USD)
China (CN) 5.8% 25% 30.8% $3,080.00
Vietnam (VN) 5.8% 0% 5.8% $580.00
Mexico (MX) 5.8% 0% 5.8% $580.00
India (IN) 5.8% 0% 5.8% $580.00
South Korea (KR) 5.8% 0% 5.8% $580.00

§ RELATED ENTRIESStatistical suffixes under HTS 7318.21.00

All 10-digit statistical reporting suffixes under 7318.21.00.

§ RECENT CHANGESRecent US tariff policy notices

The 3 most recent Federal Register tariff notices in the Duty database. See the Changes timeline for the full list.

See all Federal Register actions →