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John Sabato · 03-08-2011, 08:12 AM

Hugh Clark or Tom Heller or Ted Green should be able to answer this question for certain, but I believe that the "Nr. 30" in the description of the screw on the blueprint may actually mean 30 threads per inch...

I would suggest that you wait for one of the lugersmiths to answer before using your #10 SAE tap.

Of course it is your frame, and if you want to change the screw type Rich,

that is entirely up to you.

03-08-2011, 08:12 AM	#2
John Sabato Lifer Lifetime Forum Patron Join Date: Jun 2002 Location: The Capital of the Free World Posts: 10,155 Thanks: 3,003 Thanked 2,308 Times in 1,098 Posts	Hugh Clark or Tom Heller or Ted Green should be able to answer this question for certain, but I believe that the "Nr. 30" in the description of the screw on the blueprint may actually mean 30 threads per inch... I would suggest that you wait for one of the lugersmiths to answer before using your #10 SAE tap. Of course it is your frame, and if you want to change the screw type Rich, that is entirely up to you. __________________ regards, -John S "...We hold these truths to be self-evident that ALL men are created EQUAL *and are endowed by their Creator* with certain UNALIENABLE* rights, and among these are life, LIBERTY, and the pursuit of happiness..."*