Explanatory notes
… 7318.15 ‑ ‑ Other screws and bolts, whether or not with their nuts or washers 7318.16 ‑ ‑ Nuts 7318.19 ‑ ‑ Other … intended, whatever their shape, to be placed in a groove, either around a shaft or inside a cylindrical bore, to … described in Explanatory Note to heading 73.18, Part (A), eighth paragraph. …