09-13-2015, 08:00 AM
I've made the odd tap - only when I really had to. They are a little more tricky than it seems the flutes are straight forward. I used an ordinary end mill and went straight in from the side so it doesn't look like a flute in a tap sense. The tricky bit is the clearance from the cutting edge again I just milled it. Not perfect by any means.
DaveH
DaveH