Sep 20, 2014 · ER20 will hold up to 1/2" and ER16 has small nose collet. Anything over 1/2 goes in a solid holder. Only ER32 holders in the shop are 9" gage ...
Aug 17, 2021 · ER20 works good for 1/4 inch tools, larger tools seem to pull out of of the collet sometimes. Probly because i buy the cheap stuff.
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What is er-32?
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What is the difference between er collets?
Oct 11, 2014 · I like the ER16 for tighter areas where the ER40 won't fit with a smaller endmill. ER32 (max 3/4") is a good all around size for our size mills.
May 7, 2008 · The ER collets, 16 and 32, both can accomodate 1mm variation, which is a bit more than 1/32"; I guess the ER20 can do the same. This means a 7mm ...
These collets are usually found in a standard series as: ER-8, ER-11, ER-16, ER-20, ER-25, ER-32, ER-40, and ER-50. The numbers represent the opening ...