dumb ? maybe

My mill takes NST # 40 tool holders . Now , is it possible to use a cat 40 if I lengthen the draw bar ? I'm looking around at various places and it's hard to find the NST #40 . now I didn't go where I usually find stuff yet , they got a bunch of used tool holders . I do not see an issue with finding them for the larger end mills but for the mini end mill with 1/8" and 3/16" shank

. Hmmm , thinking as I type

maybe I'll just make an adapter to go in the larger end mill holder . BTW Pugs , thanks for that link you sent me good deals on end mills

.
Steve