A cannon bore. It is a pice of a big axle that is going to be drilled and
machined to a cannon that is 1 metre long.


"Eric R Snow" skrev i melding
...
On Wed, 9 Feb 2005 13:47:56 -0000, "Håken"
wrote:

anyone got some information on how to make deep drilling tool?

The OD needs to be 40mm and lenght 1meter.



What are you drilling? That needs to be known before the correct drill
can be described.
ERS