ER11 Collet Clamping Nut jammed

[WillAdams (William Adams (Carbide 3D))]

Towards that end, please see:

Collet Nuts for ER-16 Spindle?

OK, ended up learning more about this stuff than I ever expected… Just bought the ER-16 1.2KW VFD (110volt, air-coold). Nice. It comes with 3 collets, but only 1 collet nut. I like having my ER collets in nuts, even though I do check/clean them frequently it’s still more convenient. However, the setup Carbide 3D has appears to be the most non-standard, or at least the least typical. There are two variables one needs to deal with, besides the ER-16 designation, for collet nuts. For collets, ju…