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Unread 02-15-2003, 08:09 PM   #8
Volenti
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Join Date: Jan 2002
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Quote:
Originally posted by Spamz0r
my waterblock top will be perspex and there will be 3 barbs in it, 4 clear holes no threads required and another 4 to hold the top to the bottom, the top wond have any threads but my copper base will need 4 "taps"


so how do i tap perspex ?
you do perspex in the same way, it's easy compared to copper

though you have to be carefull not to have holes too close to each other or the edge (cracking), I generally use a hole a fraction larger than needed, that way you cut shallower threads and put less stress on the perspex.
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