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    7318.14.50

    Having shanks or threads with a diameter of 6 mm or more

    HTS code 7318.14.50 covers self-tapping screws, bolts, nuts, and similar articles of iron or steel with a shank or thread diameter of 6mm or more. Use this code when importing these items, keeping in mind general duties are 8.60%, with potentially lower rates (as low as 4.3% or even free) depending on the country of origin and any applicable trade agreements.

    Having shanks or threads with a diameter of 6 mm or more

    Detailed information for HTS Code 7318.14.50

    AI Summary

    This tariff classification falls within Chapter 73, which covers articles of iron or steel. Specifically, the code 7318.14.50 covers self-tapping screws with a shank or thread diameter of 6 mm or more. This code has two subdivisions: 7318.14.50.20 for screws made of stainless steel and 7318.14.50.80 for all other materials; choose the appropriate suffix based on the material composition of the screws being classified.

    ChapterChapter 73 - Articles of iron or steel
    SectionSection XV - Base Metals and Articles of Base Metal

    Duty snapshot

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

    General Duty

    8.60%

    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) 4.3% (JP)

    Eligible FTA or preference programs

    The general duty rate for HTS code 7318.14.50 and its subdivisions (7318.14.50.20 & 7318.14.50.80) is 8.60%. Special duty rates apply based on the country of origin, with rates of Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG), 4.3% (JP), or eligibility under FTA/preference programs. Reporting units are kilograms (kg). These special rates would supersede the general rate for qualifying goods originating in the specified countries or regions. There is no specified information regarding other special rates or conditions.

    Rate of Duty (Column 2): 45%

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    Code subdivisions

    7318.14.50.20

    Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel: > Threaded articles: > Self-tapping screws: > Having shanks or threads with a diameter of 6 mm or more > Of stainless steel

    7318.14.50.80

    Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel: > Threaded articles: > Self-tapping screws: > Having shanks or threads with a diameter of 6 mm or more > Other

    View HTS reference

    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

    Latest update

    Last updated

    November 15, 2025

    Revised every January & July

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