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Hugh · 03-25-2011, 02:18 PM

Actually there were two sizes, the early ones were 4.5mmx.8 TPI and the later ones were 3/16x32 TPI Whitworth.I don't remember when the change was made, but 90% of the ones I have encountered were the Whitworth threads. I have taps & dies for both.

03-25-2011, 02:18 PM	#14
Hugh RIP Join Date: Jun 2002 Location: Southeast Texas Swamp Posts: 2,460 Thanks: 2 Thanked 165 Times in 64 Posts	Actually there were two sizes, the early ones were 4.5mmx.8 TPI and the later ones were 3/16x32 TPI Whitworth.I don't remember when the change was made, but 90% of the ones I have encountered were the Whitworth threads. I have taps & dies for both. __________________ *TRUMP FOR PREZ IN '20!*