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Re: Bolt Holes
A little bit depends on what you are using the bolt for & your resources.
For strength or location critical you want to use small clearances. For something that is going to be disassembled regularly or has a bunch of bolts that have to line up, you want larger clearances. Hand drilling or CNC machine? Drilling to a drawing or a drawing or templating from the part?
1/32" over is a good rule of thumb. 1/16" is pretty sloppy. 1/4 drill will allow the bolt to be inserted.
Charts are good too.
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