"Spencer" wrote in news:1116622401.700055.37570
@g44g2000cwa.googlegroups.com:
GOOD grade of H13 is what is used in many gravity aluminum molds.
--
Anthony
You can't 'idiot proof' anything....every time you try, they just make
better idiots.
Remove sp to reply via email
http://www.machines-cnc.net:81/