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Harold and Susan Vordos
 
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"Daniel A. Mitchell" wrote in message
...
snip-

2-flute cutters are also better for slotting to size (especially in thin
materials) in one pass. Side deflection of the cutter still occurs, but
it doesn't widen the cut as it does with 4-flute cutters ... think about
it).


Yep! Special short 2 flute end mills are made expressly for cutting
keyways.

Harold