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stevew
12th April 2008, 03:27 PM
Drive on lathe spindle is 1 inch 8tpi
. I am wanting to get some nuts from Blackwoods to make up some chucks,is the above thread UNC..??
Thanks.
Steve

Ashore
12th April 2008, 04:02 PM
Both UNC and whitworth are 8 tpi at 1" but whitworth are at 55 deg and unc are at 60 deg , best way is to get aset of thread gauges and check:2tsup: