i am using the same bits in my weak ass drill press. here is my advice: start with a small pilot hole all the way down, something like 1/16", then go to the next size, NOT the final size, just whatever it is they think is next in this retarded system. then the next one and so on until you get to the point where you cant drill any bigger without cutting into other holes. i made a block yesterday doing just that. took a long time, BUT no thing got stuck, nothing got chewed up, and all the holes were just as charp looking at the end as they were after the first bit. final diameters were 1/4" which is pretty hard to keep straight with shitty presses. they are also so close that some cut into eachother, but in a good way, just barely.
another thing this allows you to do is skip the largest bits on the holes that eneded up being off center.
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