drilling pencil lead on a lathe
On Tue, 1 Nov 2016 11:05:22 -0700
Electric Comet wrote:
ok he was not using a wood lathe but one could turn wood on this lathe
if one wanted to
he drilled a hole through a point 7 or point 9 mechanical pencil lead
was wrong on the diameter
the winner drilled a 0.3 hole through a 0.5 lead on a lathe
did not see what happened to the edm competitor but in part 1 he
was concerned about the depth
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