Ive done woodworking for ages, so I guess this question is based on that experience.
Are collet holders standardized on spindles? I see endmills with all sorts of shank sizes (Not the 1/4 and 1/2) I am used to.
So, I see ER11 has a range of 0.02 to 0.3125 inches, which doesn’t equate to a very large endmill.
Assuming a spindle comes with an ER11 collet, can I put say an ER20 collet on it? How would I know what size collets a spindle can take or do they all take from ER8 to ER50 (I doubt it, but I’m really confused here).