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Del · 04-26-2002, 06:14 PM

do they sell copper blocks in this size at hardware stores?

and also, on the mcmaster website, I was wondering what size tap i get, the 1/4"-18 NPT or the 1/2"-14 NPT.

What is messing me up is the use of the " sign... I thought that NPT was a pipe measurement, not a size.

04-26-2002, 06:14 PM	#12
Del Cooling Neophyte Join Date: Apr 2002 Posts: 5	do they sell copper blocks in this size at hardware stores? and also, on the mcmaster website, I was wondering what size tap i get, the 1/4"-18 NPT or the 1/2"-14 NPT. What is messing me up is the use of the " sign... I thought that NPT was a pipe measurement, not a size.