1943 old STARRETT NC / US screw threads reference table This antique / vintage screw threads reference table Front of this reference table: is a reference to NC or US Standard screw threads from 1/4" to 2" taps with # of threads per inch and the size of the tap drill references screw threads & tap drill sizes - see pics " World's Greatest Tool Makers " copyright 1943 Perry Graf Corp. Maywood Ill. CONDITION: this is small, maybe bigger than pocket-size cardboard edge wear, smudges, marks, etc. - Please see our pics for better description What you see is what you're getting! Enjoy Folks! Thanks for stopping in & come back and see us soon! WAIT FOR OUR INVOICING FOR MULTIPLE PURCHASES (please look at our rules and privacy policy) |
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