In a message dated 2008/06/11, paleoartifact@......... writes:

> One more question.  Can the copper tube ID be slightly larger than the 
> carbide OD; or, is it not even that critical?

Hi Meredith,

       It is not too critical, easier if the Cu tube is not a close fit. 

       I can buy syringes labelled Fine, Medium and Coarse. The coarse gives 
good results and you can then use another bit of Cu tube with the Medium to 
finish / polish  it.

       Regards,

       Chris   
In a me=
ssage dated 2008/06/11, paleoartifact@......... writes:



One more question.  Can th=
e copper tube ID be slightly larger than the carbide OD; or, is it not even=20=
that critical?




Hi Meredith,



       It is not too critical, easier if the C=
u tube is not a close fit. 



       I can buy syringes labelled Fine, Mediu=
m and Coarse. The coarse gives good results and you can then use another bit=
 of Cu tube with the Medium to finish / polish  it.



       Regards,



       Chris