… screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel. …
Explanatory notes
… Bolts and screws for metal are cylindrical in shape, with a close and only slightly inclined thread; they are rarely … mechanisms and threaded shafts for presses; valve and cock closing mechanisms, etc.) ( Chapter 84 ). (d) Piano pegs … 83.08 ) but rivets which are only partly hollow remain classified in this heading. (D) COTTER ‑PINS AND COTTERS …