Having shanks or threads with a diameter of less than 6 mm

This code covers screws, bolts, nuts, and similar articles of iron or steel with shanks or threads less than 6mm in diameter. Use this code when importing these small-diameter threaded fasteners, keeping in mind a general duty of 6.20% applies, with potential free rates for eligible trade partners or preference programs as detailed within the code's duty structure.

Detailed information for HTS Code 7318.15.60

This tariff code falls within Chapter 73 of the Harmonized Tariff Schedule, which covers articles of iron or steel. Specifically, code 7318.15.60 covers screws, bolts, nuts, and similar articles of iron or steel with threads less than 6mm in diameter. This code is further divided by type and material, with subdivisions like 7318.15.60.10 for stainless steel socket screws and 7318.15.60.80 for other non-stainless steel items; choose the appropriate suffix based on the material and screw type (socket vs other). Statistical reporting requires selecting the suffix that accurately describes the specific article being imported.

Chapter	Chapter 73 - Articles of iron or steel
Section	Section XV - Base Metals and Articles of Base Metal

Duty snapshot

Quick reference for the duty outcomes tied to this HTS line.

General Duty

6.20%

Standard trade partners (NTR)

Special Duty

Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

Eligible FTA or preference programs

The general duty rate for HTS code 7318.15.60 is 6.20% and applies to all imports unless eligibility for a special rate is met. Several countries (A*, AU, B, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG) qualify for a free (0%) duty rate under specified FTA or preference programs. This special rate applies to all subdivisions (7318.15.60.10, 7318.15.60.40, 7318.15.60.70, 7318.15.60.80) if the goods originate in one of those countries and meet all other requirements of the applicable trade agreement. Reporting units are in kilograms (kg). Section and chapter notes are not specified.

Rate of Duty (Column 2): 45%

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Code subdivisions

7318.15.60.10

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 less than 6 mm > Socket screws: > Of stainless steel

7318.15.60.40

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 less than 6 mm > Socket screws: > Other

7318.15.60.70

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 less than 6 mm > Other: > Of stainless steel

7318.15.60.80

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 less than 6 mm > Other: > Other

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Chapter & section notes

Chapter notes

Harmonized Tariff Schedule of the United States Revision 29 (2025) Annotated for Statistical Reporting Purposes CHAPTER 73 ARTICLES OF IRON OR STEEL XV 73-1 Notes 1. In this chapter the expression "cast iron" applies to products obtained by casting in which iron predominates by weight over each of the other elements and which do not comply with the chemical composition of steel as defined in Note 1(d) to chapter 72. 2. In this chapter the word "wire" means hot- or cold-formed products of any cross-sectional shape, of which no cross-sectional dimension exceeds 16 mm. Additional U.S. Notes 1. For the purposes of heading 7304 or 7306, the rate of duty "Free (C)" appearing in the "Special" subcolumn applies only to tubes and pipes with attached fittings, suitable for conducting gases or liquids. 2. For the purposes of subheading 7307.19.30, the expression "ductile fittings" refers to fittings which contain over 2.5 percent carbon and over 0.02 percent of magnesium or of magnesium and cerium, by weight. Statistical Note 1. For the purposes of statistical reporting numbers 7310.10.0005, 7310.29.0020 and 7310.29.0055, “refillable stainless steel kegs, whether or not pressurized” refers to cylindrical kegs for liquid beverages, each keg with a domed top and bottom and a single neck piece, designed for a coupler (valve) system and an extractor tube (spear) by which the keg can be cleaned, filled and dispense the liquid contents. Harmonized Tariff Schedule of the United States Revision 29 (2025) Annotated for Statistical Reporting Purposes XV 73-2

Section notes

SECTION XV BASE METALS AND ARTICLES OF BASE METAL XV-1 Notes 1. 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) Ferrocerium or other pyrophoric alloys (heading 3606); (c) Headgear or parts thereof of heading 6506 or 6507; (d) Umbrella frames or other articles of heading 6603; (e) Goods of

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November 15, 2025

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