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HTSUS, United States

7318.15.60.40

Having shanks or threads with a diameter of less than 6 mm / Socket screws / Other

Classification path

  1. Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel
  2. Threaded articles
  3. Other screws and bolts, whether or not with their nuts or washers
  4. Other
  5. Having shanks or threads with a diameter of less than 6 mm
  6. Socket screws
  7. Other

Rates of duty

General (MFN)
6.2%
Column 2Cuba, North Korea, Russia, Belarus
45%
Unit of quantity
kg

Trade agreement rates

FreeGSP (lapsed since Dec 31, 2020), U.S.-Australia FTA, B, U.S.-Bahrain FTA, U.S.-Chile FTA, U.S.-Colombia TPA, AGOA (authorized through Dec 31, 2026), E, U.S.-Israel FTA, U.S.-Jordan FTA, U.S.-Korea FTA, U.S.-Morocco FTA, U.S.-Oman FTA, CAFTA-DR, U.S.-Panama TPA, U.S.-Peru TPA, USMCA, U.S.-Singapore FTA

Related lines in heading 7318

About heading 7318

Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel

Heading 7318 covers small iron and steel fasteners: screws, bolts, nuts, rivets, washers, cotter pins and similar articles. The heading splits first into threaded articles (7318.11 through 7318.19) and non-threaded articles (7318.21 through 7318.29). Threaded lines are further divided by article type, by shank or thread diameter above or below 6 mm, and in some cases by whether the goods are stainless steel or Other.

Full guide to heading 7318

Products in this heading

  • Coach screws
  • Wood screws
  • Self-tapping screws, stainless or other
  • Socket screws and set screws
  • Hex head bolts and cap screws
  • Nuts, including lugnuts
  • Helical spring lock washers
  • Rivets and cotter pins

Frequently asked questions

What is the HTS code for wood screws?

Other wood screws are classified in 7318.12.00.00, at a general (MFN) rate of 12.5%.

What is the duty on stainless steel self-tapping screws under 6 mm?

Stainless steel self-tapping screws with shanks or threads under 6 mm fall in 7318.14.10.30, at a general (MFN) rate of 6.2%.

How do I classify spring lock washers?

Helical spring lock washers go in 7318.21.00.30, at a general (MFN) rate of 5.8%; other spring and lock washers go in 7318.21.00.90 at the same rate.

Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.

HTS 7318.15.60.40: Having shanks or threads with a diameter of less than 6 mm..., 6.2% duty | HTSBase