[SEL] Chase shingle mill blade

[Germoamer at aol.com]

In a message dated 12/2/2009 10:02:57 AM Eastern Standard Time,  
rotigel at me.com writes:

If I'm  understanding your question correctly it is so that  
the shingle will  "fall" away from the blade properly.
Rick/Dave, 
 
 Or is it to provide clearance as the blade cuts thru the  surface area of 
a shingle?  

Tom  Schmutz
Concord,  Va.
germoamer at AOL.com