Quote:
Originally posted by antonye
For example, you need to drill a 5.1mm hole for an M6 thread, but if you want to drill out an M6 thread you need to drill it out to 6.4mm. However, not many people have a 5.1mm drill bit, so a 5mm should be fine. |
5.1mm for a M6 X 1.0 tap they jest
and 6.4mm is a bit over kill when a 6.1mm drill would be all that was needed if you wanted to use a 6mm nut and bolt in place of a stripped thread