Trying to drill holes in hard steel - need help please !

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Trying to drill holes in hard steel - need help please !

11-22-2009, 04:27 PM

Edmond

Junior Member

Join Date: Nov 2009

Posts: 1

Trying to drill holes in hard steel - need help please !

Hi Everyone. I am trying to drill 3/4" holes through Rockwell C50 heat-treated chrome alloy. I can't find a drill bit that will last more than a few minutes, even with slow speed and plenty of cutting oil. Any ideas please?

THANKS !

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