| 7318.15.20 | | Bolts and bolts and their nuts or washers entered or exported in the same shipment | | Free | | 3.5% |
| 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: | | | | |
| 7318.15.20 | 20 | Track bolts | kg | | | |
| 7318.15.20 | 30 | Structural bolts | kg | | | |
| 7318.15.20 | 40 | Bent bolts | kg | | | |
| 7318.15.20 | 51 | With round heads: | | | | |
| 7318.15.20 | 51 | Of stainless steel | kg | | | |
| 7318.15.20 | 61 | With hexagonal heads: | | | | |
| 7318.15.20 | 61 | Of stainless steel | kg | | | |
| 7318.15.20 | 91 | Of stainless steel | 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) | kg | Free | | 2.2¢/kg |
| 7318.15.50 | | Studs | | Free | | 45% |
| 7318.15.50 | 30 | Of stainless steel | kg | | | |
| 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% |
| 7318.15.60 | 10 | Socket screws: | | | | |
| 7318.15.60 | 10 | Of stainless steel | kg | | | |
| 7318.15.60 | 70 | Of stainless steel | kg | | | |
| 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% |
| 7318.15.80 | 20 | Set screws | kg | | | |
| 7318.15.80 | 30 | Socket screws: | | | | |
| 7318.15.80 | 30 | Of stainless steel | kg | | | |
| 7318.15.80 | 55 | With hexagonal heads: | | | | |
| 7318.15.80 | 55 | Of stainless steel | kg | | | |