That is correct; the secret is to get 2 flute endmills, so the chips have more room to clear the full width of the cutting edge. On 4 flute endmills,...
Charlie's 1/4" endmill next to 1/4" carbide. The carbide makes bores as smooth as it's shank; chips glow like they were chromed where the HSS (barely...
I noticed that I can't bore at all with chinese boring bars of all kinds; light cuts big bars. I can bore deep with chinese endmills, small diameter...
The bore for the bolt has barely intersected the bored for the shaft; which means oil will leak out of this tiny hole. It will require some creative...
This is the old grinder body, which I never finished. The new bearings aren't from a hard-drive, but they're high quality ball (not angular contact)....
Condense the mind, give birth to the soul, imminitize the eschaton, call down the flying saucers, fuse spirit with matter, create the universal panceaum at the end of time and lead the triumphant humanity into hyperspace.