Drilling hard material
On Jul 26, 8:25*am, Todd Rich wrote:
I've got some 1095/15n20 damascus steel I'm working on and while it grinds
ok, I'm having trouble drilling it. *I used a cobalt drill and a carbide
center cutting end mill and neither one seems to be doing a good job. *
Even after I took the end I need to drill up to a dull red heat.
Any suggestions?
Are they dulling quickly or just not penetrating the metal? I've had
decent results with a HiRoc drill.
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