… accessories suitable for use solely or principally with the machines of headings 84.56 to 84.65, including work or tool … self-opening dieheads, dividing heads and other special attachments for the machines; tool holders for any type of …
Explanatory notes
… heading 84.62 or 84.63 With the exception of the tools of Chapter 82 and subject to the general provisions regarding … such tool‑pieces . They are of very varied types, e.g. : Chucks; tap and drill collets; lathe tool posts; …