<VV> Head Fins: How Smooth/Clean?

[BobHelt at aol.com]

In a message dated 6/25/05 12:43:56 PM US Mountain Standard Time, 
r.gault at sbcglobal.net writes:

> Bob Helt claims to be able to do two heads without breaking a
> drill bit. 

I have now done six heads with the same drill bit, and it's still not broken 
(worn, yes).  The secret is to go straight in and straight out. Don't try to 
go sideways. To remove the ridges caused by in and out, go in at an 
angle.Regards,
Bob Helt