I have accumulated many of the old, hand crank crimpers over the years, and have possibly the only 28ga hand roller I've ever seen, on loan.
The quality of the crimp varies to some degree, but a high quality tool, such as the Bridgeport Gun Implement, will roll as well, if not better that a tool in the drill press.
You'll have to take my word, but my BGI 12 is faster than the drill press. I'll load up 25 or 50 or whatever, set them in a wooden block, and then do all the crimping at once. The tool holds the shell, and it takes no more than 4-5 turns of the crank, and ejects the crimped shell. Everything else I do, I have to clamp them in the Ballistic Products vise, come down with the quill, and warm up the lip, then crimp.
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