plastikdreams
Diamond
- Joined
- May 31, 2011
- Location
- upstate nj
I have to tap 2 holes 3/8-28. All the drill charts I've found do not have this size. Per the ghuring site it recommends .340 for the hole size at 75%, which is basically a letter R (.339) drill. Does this sound correct? This is for a sensor not load bearing.