http://www.littlemachineshop.com/pro...ProductID=1230


"Ignoramus5751" wrote in message
...
On Thu, 16 Dec 2004 21:03:41 -0800, Winston
wrote:
Ignoramus5102 wrote:
I remember that in Russia, there were special drill bits to start
holes. They had a thick shank and sharp (think 40 degrees) conical
end. So they were very rigid and could start a hole precisely where it
was positioned. No "walking". Then you'd switch to whatever drill bit
was necessary to complete drilling.

It was useful for cases where you could not use a punch.

Are there such things in the US, and if so, what are they called?

i

Center drill:
http://www.lathemaster.com/TN_Center_Drills.jpg



Thanks, that's exactly what I am looking for.

i
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