Re: [CAD_CAM_EDM_DRO] Re: Thread milling

R Rogers wrote:

> I was taught and its common knowledge within the ranks that there is
> no such thing as a size range on collets.

Ron,

You are confusing lathe collets with milling chuck collets, which -are-
designed to handle variations within a small range. Though used for end
mills, they are also how virtually all machining centers chuck drills.
DA and ER collets are the most common.

Jon