The 'magic' of 118 degree drill geometry - why?

12bolts said:
You lost me here Andre, Are you saying that I cant regrind my drills to a different angle than what the manufacturer originally produced?

Cheers Phil
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Good lord I hope not. We ground 118s to 90 and 100 degrees for spot drills on a regular basis for the Automatics. (screw machines)

"Billy G"
 
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