7318.15.20

Bolts and bolts and their nuts or washers entered or exported in the same shipment

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

Heading: 7318 Chapter: 73 As of August 15, 2026

Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.

Duty rates

Column 1 (General / MFN)

Free

Column 2 (Non-NTR)

3.5%

The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.

Trade measures (Chapter 99)

9903.90.09

35%

Active

Articles the product of the Russian Federation, as provided for in U.S. note 30(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 30(d) to this subchapter

Applies to origin: RU, BY

Effective from April 5, 2025

Antidumping & countervailing (AD/CVD)

4 active AD/CVD orders may apply to this code. Applicability is set by the written scope of each order, not the HTS number alone.

C-533-888

CVD · IN, CN

6.07%

all-others deposit

Carbon and Alloy Steel Threaded Rod

Applicability is determined by the written scope of the order, not the HTS code alone. An order linked to this code may or may not cover a specific product.

Order details →

A-570-104

AD · CN

59.45%

all-others deposit

Alloy and Certain Carbon Steel Threaded Rod

Applicability is determined by the written scope of the order, not the HTS code alone. An order linked to this code may or may not cover a specific product.

Order details →

A-583-865

AD · TW

32.26%

all-others deposit

Carbon and Alloy Steel Threaded Rod

Applicability is determined by the written scope of the order, not the HTS code alone. An order linked to this code may or may not cover a specific product.

Order details →

A-549-840

AD · TH

20.83%

all-others deposit

Carbon and Alloy Steel Threaded Rod

Applicability is determined by the written scope of the order, not the HTS code alone. An order linked to this code may or may not cover a specific product.

Order details →

Rate-change history

What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.

  1. SCOPE_EXPANSION Proclamation April 2, 2026 - Combined Metals

    Section 232 steel scope expanded: 523 HTS codes added under combined-metals framework

    See the change →
  2. NEW_PROGRAM Proclamation April 2, 2026 - Combined Metals

    Combined Section 232 metals framework introduced — 16 new Chapter 99 codes (9903.82.02–17)

    See the change →
  3. NEW_PROGRAM Executive Order Feb 1, 2026 — Reciprocal Tariff (FR 2026-03824)

    Section 122 reciprocal surcharge in effect — additional 10% on most imports through July 24, 2026

    See the change →
  4. Base rate HTS 2023

    Column 1 general rate set to Free.

Related CBP rulings

N362041 June 25, 2026

The tariff classification of automotive seatbelt components from Taiwan

The items under consideration are two seatbelt components designed to be used as original equipment manufacturer (OEM) goods in passenger vehicles. The first article is described as a locking cam axle, part number 0430083-Z50. It is a steel

N359944 April 13, 2026

The tariff classification of a stainless-steel pin from China

The article under consideration is described as a door hinge pin, SKU number 311-00029-000.A1. The pin is headless, unthreaded, and measures 17 mm in length and .05 mm in diameter.

N359366 March 31, 2026

The tariff classification of a flat steel washer from China

The merchandise under consideration is described as a washer, flat, 14 mm OD, 7.2 mm ID, 0.4 mm thick steel SUS301, SKU number 312-00008-000.A1. It is a flat steel washer that functions to improve load distribution, motion control, durabili

N359117 March 25, 2026

The tariff classification of two stainless steel pan head screws from China

The first article is described as an M2.5 - .95 × 8 Pan head, Torx T-8, Black Screw, SKU number 311-00001-000.A1. It is a fully threaded, stainless steel, zinc plated, pan head, thread forming screw with a 6 lobe Torx drive and a blunt tip.

N359155 March 25, 2026

The tariff classification of a stainless steel pan head screw from China

The item is described as an M1 - .8 × 4 Pan head, T-6 Torx, Plastic Thread Forming Screw, SKU number 311-00054-000.A1. It is a fully threaded, stainless steel, zinc plated, pan head, thread forming screw with a 6 lobe Torx drive and a blunt

N357786 February 3, 2026

The tariff classification of a stainless-steel washer from Germany

The merchandise under consideration is described as a stainless-steel Belleville washer. This washer has a circular shape with a central hole and uniform thickness. It has an outer diameter of 3 inches, an internal diameter of 1.755 inches,

N357577 February 3, 2026

The tariff classification of a stainless-steel lock nut from Germany

The first item under consideration is described as an M42 × 1.5 stainless-steel locknut. It is an internally threaded hex locknut that is designed to resist loosening under vibration or load.

N356369 December 10, 2025

The tariff classification of a steel E-clip from the Philippines

are modified in any way, or if the goods do not conform to these facts at time of importation, you should bring this to the attention of U.S. Customs and Border Protection (CBP) and submit a request for a new ruling in accordance with 19 CF

N355681 November 26, 2025

The tariff classification of a steel cable screw from China

are modified in any way, or if the goods do not conform to these facts at time of importation, you should bring this to the attention of U.S. Customs and Border Protection (CBP) and submit a request for a new ruling in accordance with 19 CF

N355254 November 20, 2025

The tariff classification of stainless-steel pins from India

The first article under consideration is identified as a Pin-Roll Stop Gas Spring, Item 401002. It is made of stainless steel and has an unthreaded shank, an unslotted head, and a drilled cross-hole on the bottom end of the pin. The pin fun

N354623 October 24, 2025

The tariff classification of a Cylinder Head Stud Kit from India

The merchandise under consideration is described as an Automotive Engine Head Stud Kit. The kit includes steel studs with matching nuts and washers, a 20 ml grease pouch, allen/hex key, socket, nitrile gloves, microfiber cloth, and an instr

N353898 October 15, 2025

The tariff classification of a carbon steel stud from Taiwan

The merchandise under consideration is described as an (M6-1.0 X 28) X (K70-2.46 X 12) External Torx Drive Bolt CL. 8.8 with GMW3359-A Plating. It is a double end stud with a washer in the middle. One end of the stud has thread forming thre

Other codes in heading 7318

View all codes in heading 7318 →

Duty by origin country

The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 7318.15.20 from each major US trading partner.

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