From: muratlanne@gmail.com   
      
   "Snag"  wrote in message news:vd291u$3sffa$1@dont-email.me...   
      
      I've picked up some more indexable tooling with 10mm shanks and I'm   
   going to need more blocks . I'm looking at some A36 and some 1018 cold   
   drawn, both reasonably priced . Does either have an advantage over the   
   other ?   
   Snag   
      
   -----------------------------------------   
      
   I think A36 implies hot rolled. If the one you pick has distortion or   
   surface finish problems you could anneal it, which has cured mystery metal   
   for me.   
      
   Shims that raise the 10mm holders to the same cutting edge height as your   
   other tooling might be simpler.   
      
   The other day I ran across a watchmakers lathe for sale and have been   
   considering whether or not to buy it. After reading accounts of using one I   
   don't think I need to learn precision turning with hand held gravers, and my   
   Sears AA has the speed for polishing and drilling small deep holes. I turned   
   extra long #0-80 fillister head screws on my 10" South Bend and probably   
   won't ever need something that small again. Perhaps the price of the lathe   
   would be more usefully spent on a few 5C metric collets.   
      
   Opinions?   
      
   The watch lathe glue chuck used melted flake shellac to hold an odd shaped   
   part that was centered by the tailstock spindle. Alcohol removes it when   
   done, and it might be good for holding granite for polishing.   
      
   jsw   
      
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