- Topics Started: 38
- Total Posts: 1553
You can turn a pin down until it just fits the hole and then measure the O.D. of the pin with a micrometer if you have one. If not then the caliper will give a more accurate reading than trying to measure the I.D. of such a small hole.
As for the jewel…let me check to see if I have something here that you can use. I’ll get back with you on that.