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STARRETT # C391 60° AMERICAN NATIONAL CENTER GAGE - NEW
This fine quality Starrett 60° AMERICAN NATIONAL CENTER GAGE is made in the USA. It is provided in the original Starrett storage sleeve. This gage is extremely handy for use in grinding and setting screw cutting tools. This gage also has a very useful engraved scale for finding the number of threads per inch through graduations in 14ths, 20ths, 24ths and 32nds of an inch. The No. C391 Gage also has a table of double depths of threads for determining the size of tap drills. Made of spring-tempered steel with a satin chrome finish. All gaging surfaces are precision ground……… Every machinist needs one of these handy gages …… ! New Never Used !