If I were to freeze it in liquid nitrogen, wouldn't it thaw before I had a chance to drill the holes? That's an interesting idea I may try since we do have liquid nitrogen on hand.
About 7-8mm thick, about the length of my drill bit. I have tried multiple times but I just got done drilling another set and it still has burs. I am using a drill press with a 0.02" drill bit. I initially go in with water to keep the drill bit cool, but once the hole is established I do...
I am trying to machine small OD holes (0.02") into teflon to be used spraying liquids such that the liquids come out parallel to one another but am having trouble with this due to the burs that are created at the edge of the hole. Is there any way to remove these burs during the machining process?
