| 4418.90.25 | 00 | Drilled or notched lumber studs | m3 | Free | | $1.70/m3 |
| 7117.11.00 | 00 | Cuff links and studs | X | 8% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P, SG) | 110% |
| 7318.15.50 | | Studs | | Free | | 45% |
| 7326.90.85 | 35 | Fence posts, studded with corrugations, knobs, studs, notches or similar protrusions, with or without anchor plates | kg | | | |
| 9606 | | Buttons, press-fasteners, snap-fasteners and press-studs, button molds and other parts of these articles; button blanks: | | | | |
| 9606.10 | | Press-fasteners, snap-fasteners and press-studs and parts thereof: | | | | |
