Heading 7318: Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers…
Every line of heading 7318 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel
Chapter 73: Articles of iron or steel. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 7318.11.00.00 | Coach screws | 12.5% |
| 7318.12.00.00 | Other wood screws | 12.5% |
| 7318.13.00 | Screw hooks and screw rings | 5.7% |
| 7318.13.00.30 | Having shanks or threads with a diameter of less than 6 mm | |
| 7318.13.00.60 | Having shanks or threads with a diameter of 6 mm or more | |
| 7318.14 | Self-tapping screws: | |
| 7318.14.10 | Having shanks or threads with a diameter of less than 6 mm | 6.2% |
| 7318.14.10.30 | Of stainless steel | |
| 7318.14.10.60 | Other | |
| 7318.14.50 | Having shanks or threads with a diameter of 6 mm or more | 8.6% |
| 7318.14.50.20 | Of stainless steel | |
| 7318.14.50.80 | Other | |
| 7318.15 | Other screws and bolts, whether or not with their nuts or washers: | |
| 7318.15.20 | Bolts and bolts and their nuts or washers entered or exported in the same shipment | Free |
| 7318.15.20.10 | Having shanks or threads with a diameter of less than 6 mm | |
| 7318.15.20.20 | Track bolts | |
| 7318.15.20.30 | Structural bolts | |
| 7318.15.20.41 | Right-angle anchor bolts | |
| 7318.15.20.46 | Other | |
| 7318.15.20.51 | Of stainless steel | |
| 7318.15.20.55 | Other | |
| 7318.15.20.61 | Of stainless steel | |
| 7318.15.20.65 | Other | |
| 7318.15.20.91 | Of stainless steel | |
| 7318.15.20.95 | Other | |
| 7318.15.40.00 | Machine screws 9.5 mm or more in length and 3.2 mm or more in diameter (not including cap screws) | Free |
| 7318.15.50 | Studs | Free |
| 7318.15.50.30 | Of stainless steel | |
| 7318.15.50.51 | Of alloy steel | |
| 7318.15.50.56 | Other | |
| 7318.15.50.90 | Other | |
| 7318.15.60 | Having shanks or threads with a diameter of less than 6 mm | 6.2% |
| 7318.15.60.10 | Of stainless steel | |
| 7318.15.60.40 | Other | |
| 7318.15.60.70 | Of stainless steel | |
| 7318.15.60.80 | Other | |
| 7318.15.80 | Having shanks or threads with a diameter of 6 mm or more | 8.5% |
| 7318.15.80.20 | Set screws | |
| 7318.15.80.30 | Of stainless steel | |
| 7318.15.80.45 | Other | |
| 7318.15.80.55 | Of stainless steel | |
| 7318.15.80.66 | Cap screws | |
| 7318.15.80.69 | Other | |
| 7318.15.80.82 | Of stainless steel | |
| 7318.15.80.85 | Other | |
| 7318.16.00 | Nuts | Free |
| 7318.16.00.15 | Non-locking chrome-plated | |
| 7318.16.00.30 | Locking | |
| 7318.16.00.45 | Other | |
| 7318.16.00.60 | Of stainless steel | |
| 7318.16.00.85 | Other | |
| 7318.19.00.00 | Other | 5.7% |
| 7318.21.00 | Spring washers and other lock washers | 5.8% |
| 7318.21.00.30 | Helical spring lock washers | |
| 7318.21.00.90 | Other | |
| 7318.22.00.00 | Other washers | Free |
| 7318.23.00.00 | Rivets | Free |
| 7318.24.00.00 | Cotters and cotter pins | 3.8% |
| 7318.29.00.00 | Other | 2.8% |
Public records · unclaimed listings
U.S. manufacturers in this industry, from public records
These companies are not Fromerica members and did not write these listings: Fromerica created them from public government records and has not verified what the records say. You cannot contact them from here. Open a listing to see what the record says.
- CRESCENT REAL ESTATE, LLC
- DACRUZ MANUFACTURING, INC.
- EDSON MANUFACTURING, INC.
- HOWARD ENGINEERING LLC
- MICROBEST, INC.
Is one of these your company? Find your listing and claim it →
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 7318 has 14 of them; the first 12 are below. Schedule B lookup →
- 7318.11.0000COACH SCREWS, THREADED, OF IRON OR STEEL
- 7318.12.0000WOOD SCREWS OTHER THAN COACH SCREWS, IRON OR STEEL, THREADED
- 7318.13.0000SCREW HOOKS AND SCREW RINGS OF IRON OR STEEL
- 7318.14.0000SELF-TAPPING SCREWS OF IRON OR STEEL
- 7318.15.2000BOLTS AND BOLTS AND THEIR NUTS OR WASHERS EXPORTED IN THE SAME SHIPMENT
- 7318.15.5000STUDS OF IRON OR STEEL, THREADED
- 7318.15.9000THREADED FASTENERS NESOI OF IRON OR STEEL
- 7318.16.0000NUTS OF IRON OR STEEL
- 7318.19.0000THREADED ARTICLES OF IRON OR STEEL NESOI (NOT BOLTS, NUTS OR SCREWS)
- 7318.21.0000SPRING WASHERS AND OTHER LOCK WASHERS, IRON OR STEEL
- 7318.22.0000WASHERS OTHER THAN LOCK WASHERS, IRON OR STEEL
- 7318.23.0000RIVETS OF IRON OR STEEL
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
Buying these products from the U.S.?
Tell us what you need and we will find U.S. manufacturers who can quote you. Free, no account needed.
