Chapter 73: Articles of iron or steel
HTS heading 7318: Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of i…
60 numbered lines under heading 7318, including 48 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 7318 | Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel: | ||||
| Threaded articles: | |||||
| 7318.11.00.00 | Coach screws | kg | 12.5% | Free (A+,AU,B,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG) | 25% |
| 7318.12.00.00 | Other wood screws | kg | 12.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |
| 7318.13.00 | Screw hooks and screw rings | 5.7% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| 7318.13.00.30 | Having shanks or threads with a diameter of less than 6 mm | kg | |||
| 7318.13.00.60 | Having shanks or threads with a diameter of 6 mm or more | kg | |||
| 7318.14 | Self-tapping screws: | ||||
| 7318.14.10 | Having shanks or threads with a diameter of less than 6 mm | 6.2% | Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 3.1% (JP) | 45% | |
| 7318.14.10.30 | Of stainless steel | kg | |||
| 7318.14.10.60 | Other | kg | |||
| 7318.14.50 | Having shanks or threads with a diameter of 6 mm or more | 8.6% | Free (A+,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 4.3% (JP) | 45% | |
| 7318.14.50.20 | Of stainless steel | kg | |||
| 7318.14.50.80 | Other | kg | |||
| 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 shipmentNote: See 9903.90.09. | Free | 3.5% | ||
| 7318.15.20.10 | Having shanks or threads with a diameter of less than 6 mm | kg | |||
| Having shanks or threads with a diameter of 6 mm or more: | |||||
| 7318.15.20.20 | Track bolts | kg | |||
| 7318.15.20.30 | Structural bolts | kg | |||
| Bent bolts: | |||||
| 7318.15.20.41 | Right-angle anchor bolts | kg | |||
| 7318.15.20.46 | Other | kg | |||
| Other: | |||||
| With round heads: | |||||
| 7318.15.20.51 | Of stainless steel | kg | |||
| 7318.15.20.55 | Other | kg | |||
| With hexagonal heads: | |||||
| 7318.15.20.61 | Of stainless steel | kg | |||
| 7318.15.20.65 | Other | kg | |||
| Other: | |||||
| 7318.15.20.91 | Of stainless steel | kg | |||
| 7318.15.20.95 | Other | kg | |||
| 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)Note: See 9903.90.09. | kg | Free | 2.2¢/kg | |
| 7318.15.50 | Studs | Free | 45% | ||
| 7318.15.50.30 | Of stainless steel | kg | |||
| Other: | |||||
| Continuously threaded rod: | |||||
| 7318.15.50.51 | Of alloy steel | kg | |||
| 7318.15.50.56 | Other | kg | |||
| 7318.15.50.90 | Other | kg | |||
| Other: | |||||
| 7318.15.60 | Having shanks or threads with a diameter of less than 6 mm | 6.2% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| Socket screws: | |||||
| 7318.15.60.10 | Of stainless steel | kg | |||
| 7318.15.60.40 | Other | kg | |||
| Other: | |||||
| 7318.15.60.70 | Of stainless steel | kg | |||
| 7318.15.60.80 | Other | kg | |||
| 7318.15.80 | Having shanks or threads with a diameter of 6 mm or more | 8.5% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | |
| 7318.15.80.20 | Set screws | kg | |||
| Other: | |||||
| Socket screws: | |||||
| 7318.15.80.30 | Of stainless steel | kg | |||
| 7318.15.80.45 | Other | kg | |||
| Other: | |||||
| With hexagonal heads: | |||||
| 7318.15.80.55 | Of stainless steel | kg | |||
| Other: | |||||
| 7318.15.80.66 | Cap screws | kg | |||
| 7318.15.80.69 | Other | kg | |||
| Other: | |||||
| 7318.15.80.82 | Of stainless steel | kg | |||
| 7318.15.80.85 | Other | kg | |||
| 7318.16.00 | NutsNote: See 9903.90.09. | Free | 0.5% | ||
| Lugnuts: | |||||
| 7318.16.00.15 | Non-locking chrome-plated | kg | |||
| 7318.16.00.30 | Locking | kg | |||
| 7318.16.00.45 | Other | kg | |||
| Other: | |||||
| 7318.16.00.60 | Of stainless steel | kg | |||
| 7318.16.00.85 | Other | kg | |||
| 7318.19.00.00 | Other | kg | 5.7% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.85% (JP) | 45% |
| Non-threaded articles: | |||||
| 7318.21.00 | Spring washers and other lock washers | 5.8% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 2.9% (JP) | 35% | |
| 7318.21.00.30 | Helical spring lock washers | kg | |||
| 7318.21.00.90 | Other | kg | |||
| 7318.22.00.00 | Other washersNote: See 9903.90.09. | kg | Free | 1.3¢/kg | |
| 7318.23.00.00 | Rivets | kg | Free | 2.2¢/kg | |
| 7318.24.00.00 | Cotters and cotter pins | kg | 3.8% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 45% |
| 7318.29.00.00 | Other | kg | 2.8% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 45% |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.