HTS 73181450 — Having shanks or threads with a diameter of 6 mm or more

HTS 73181450 sits inside heading 7318 (“Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel”) of Chapter 73 — Iron or steel articles. For imports under this line, a general tariff of 8.6% applies. Preferential program codes for designated trading partners are listed in the Special column below.

Estimate duty for 73181450

Tariff rates for 73181450

Rate typeRateNotes
General (Column 1)8.6%Applies to countries without a preferential agreement, i.e. about 8.6% ad valorem on the customs value.
SpecialFree (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 4.3% (JP)Reduced or free rates for designated program countries (see code legend on the USITC site).
Column 245%Statutory rate applied to the few economies without normal-trade-relations status.

Reporting units

Entry summaries for 73181450 must be declared in: No. (No. = number of units). A single quantitative measure accompanies the ad valorem component on the entry summary.

Statistical breakouts under 73181450

LineDescriptionGeneral rate
7318.14.50.20Of stainless steel8.6%
7318.14.50.80Other8.6%

Statistical suffixes refine classification within the same duty treatment; pick the breakout whose wording matches your goods most precisely.

Frequently asked questions

What is the duty rate for HTS 73181450?

73181450 carries a Column 1 general rate of 8.6%. The full official line, including special program rates and the Column 2 statutory rate, is reproduced above from the USITC schedule.

How do I classify 73181450 for US customs?

Classification follows the hierarchy shown in the breadcrumb above: Chapter 73, heading 7318, then this 8-digit statistical line. Confirm the tariff text matches your goods before entry; use our duty calculator to estimate landed cost including the 8.6% general rate.

Is there a Section 301 tariff on 73181450?

Section 301 actions apply by exact HTS line. This page shows the permanent schedule rate (8.6%) for 73181450; check the current 301 annexes or our dedicated Section 301 tariffs guide to see whether trade-remedy duties stack on top for your origin country.

Related pages & tools

Data as of October 9, 2026 · Source: USITC Harmonized Tariff Schedule (line 7318.14.50). Rates are informational and not a binding customs ruling.