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- May 13, 2019
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- 1,016
I need to drill and tap (3/8-16) the end of a 1" X 1.5" X 18" 1018 steel bar. I'm trying to think which is the best way to do this. My PM25 mill would be preferred, but I would need to rotate the head 90 degree until horizontal and clamp the steel bar appropriately. I guess this is doable, but the head has protrusions on both side making clamping the bar challenging.
I do have a floor drill press, but it's not as precision as the mill would be. I could use an angle plate and get it perfectly vertical, but getting the holes in the exact position would be tricky.
I would like the position of the tapped hole to be within +/- 10 thou, but 5 thou would be better.
I do have a floor drill press, but it's not as precision as the mill would be. I could use an angle plate and get it perfectly vertical, but getting the holes in the exact position would be tricky.
I would like the position of the tapped hole to be within +/- 10 thou, but 5 thou would be better.