Making a Tap Question???

[November X-ray]

(06-24-2012, 04:19 PM)TomG Wrote: I would make the flutes with a little positive rake so the teeth cut the wood with a shearing action rather than a scraping action. That should give you a much better finish in wood.

Tom

Any suggestions on how best to cut the flutes with a positive rake? I was thinking about using an endmill to make the initial cuts and then swapping to a small ball endmill since that's all I got. Would three flutes be better than four for wood or will that matter much?

Thanks for the replies!