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ER32 collet chuck mods to enable it to be mounted to a milling table or an angle plate.
The 8mm holes were enlarged to accept the 3/8 inch hold down hardware for our Diamond 22 horizontal.
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ER32 collet chuck on a Morse #2 shank.
The 2-3 adapter was turned straight on the OD then ground true with my Dumore toolpost grinder.
The straight shanked adapter allows me to mount the collet chuck in a Buck adjustru? lathe chuck.
The #2 shank allows use of the collet chuck on any number of my machinetools equipped with Morse tapers.