The good news: all the motors are 6 wire so you can run them either unipolar or bipolar. The bad news, I doubt any of them are very powerfull. The 16V coils are probably the least powerfull of the bunch. The first two might be strong enough for a real small machine, but it will have to be mechanically very efficient (real low friction, high efficiency rotary to linear conversion).
Before I could make any recommendations, I need to know how accessable parts are for you?
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