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Central ND | Nope....... a true half inch hole wont fit a true half inch pin or bolt.They are both the exact same size and there is interference, so a hole has to be tecnically a few thousanths larger for a non interference fit.. Measure you old bits and also your new ones with a micrometer, its the only way you will ever know what is really going on...If your old bits fit half inch bolts and pins the center point may have been off center and wobbled out a larger hole or they are larger diameter than they say they are.
The reemers are more for perscision sizeing a drilled hole and can be found in fractional sizes to meet the needs of percision. Personaly, I dont own a reamer(but should)
Edited by School Of Hard Knock 3/2/2018 09:29
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Drill bit to hole size question....
