Quote:
Originally Posted by Ninja_Bait
You can also just take a drill index and stick bolts in it until you find the right hole size.
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I wouldn't consider that useful advice.
Both SAE and Metric are located here:
http://littlemachineshop.com/Referen...DrillSizes.pdf
Print this and put one copy by your CAD workstation, one by your mechanical toolbox and one by your electrical toolbox, or wherever you will be drilling holes for tapping or clearance.