Thanks Laree, These web pages were extremely useful. Just what I was looking for to give me more info.
Gale > http://www.redwrench.com/mischorse/bits/biteval.htm > <http://www.redwrench.com/mischorse/bits/biteval.htm> > > http://www.redwrench.com/mischorse/bits/severity.htm > <http://www.redwrench.com/mischorse/bits/severity.htm> > > http://www.redwrench.com/mischorse/bits/bitparts.htm > <http://www.redwrench.com/mischorse/bits/bitparts.htm> > > http://iceryder.net/bitmechanics.html > <http://iceryder.net/bitmechanics.html> > > >
