| 7306.29.10 | | Threaded or coupled | | Free | | 20% |
| 7306.29.31 | 00 | Threaded or coupled | kg | Free | | 28% |
| 7306.40.50 | 42 | Containing less than 15 percent by weight of chromium | kg | | | |
| 7307.11.00 | 30 | For threaded pipe | kg | | | |
| 7307.19.30 | 60 | Threaded | kg | | | |
| 7307.19.90 | 60 | Threaded | kg | | | |
| 7307.22 | | Threaded elbows, bends and sleeves: | | | | |
| 7307.92 | | Threaded elbows, bends and sleeves: | | | | |
| 7308 | | Structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge sections, lock gates, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns) of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel: | | | | |
| 7308.30 | | Doors, windows and their frames and thresholds for doors: | | | | |
| 7308.30.50 | 25 | Thresholds for doors | kg | | | |
| 7311.00.00 | 30 | Certified prior to exportation to have been made in accordance with the safety requirements of sections 178.36 through 178.68 of title 49 CFR or under a specific exemption to those requirements: | | | | |
| 7317.00.20 | 00 | Not threaded | kg | Free | | 1.5￠/kg |
| 7317.00.30 | 00 | Threaded | kg | Free | | 45% |
| 7318.11.00 | 00 | Threaded articles: | | | | |
| 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 | | | |
| 7318.14.10 | | Having shanks or threads with a diameter of less than 6 mm | | 6.2% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MX,P,SG) 4.1% (MA) | 45% |
| 7318.14.50 | | Having shanks or threads with a diameter of 6 mm or more | | 8.6% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MX,P,SG) 5.7% (MA) | 45% |
| 7318.15.20 | 10 | Having shanks or threads with a diameter of less than 6 mm | kg | | | |
| 7318.15.20 | 20 | Having shanks or threads with a diameter of 6 mm or more: | | | | |
| 7318.15.50 | 50 | Continuously threaded rod | kg | | | |
| 7318.15.60 | | Having shanks or threads with a diameter of less than 6 mm | | 6.2% | Free (A,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX,P, SG) | 45% |
| 7318.15.80 | | Having shanks or threads with a diameter of 6 mm or more | | 8.5% | Free (A,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX,P, SG) | 45% |
| 7318.16.00 | 15 | Non-locking chrome-plated | kg | | | |
