I believe I would use a small end mill, either tapered or flat tip, it will do a better job than the engraver bit...
You could probably order them right form here...
http://cirqoid.com/collections/consumables/products/insulation-milling-v-tool
I believe I would use a small end mill, either tapered or flat tip, it will do a better job than the engraver bit...
You could probably order them right form here...
http://cirqoid.com/collections/consumables/products/insulation-milling-v-tool