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American machinists' handbook and dictionary of shop terms : a reference book of machine shop and drawing room data, methods and definitions (1914)
Colvin, Fred H. (Fred Herbert), 1867-1965, Stanley, Frank A. (Frank Arthur), b. 1874 · New York : McGraw-Hill book company ; London : Hill · leaf 47
4h .2222 1924 1.8652 2f 4h .2222 1924 1.9902 2^ 4 .2500 2165 2.0670 2f 4 .2500 2165 . 2.1920 2| 4 .2500 2165 2.3170 2| 4 .2500 2165 2.4420 3 3h •2857 2474 2.5052 3i 3i .2857 2474 2.6301 3i 3h .2857 2474 27551 3l 3i •3077 2666 2.8418 3^ 3i •3077 2666 2.9668 ■ 3f 3i •3077 2666 3.0918 3f 3 3333 .2886… … fp = Pitch =- I No^ Threads pei Inch Formula ^ d = Depth = p x .64033( r=Eadius=p x .1373 Diam. of Screw No. ofThreadsper inch Pitch Depth ofThread Diam. at Rootof Thread i 20 .0500 .0320 .i860 A l8 •0556 •0356 .2414 t i6 .0625 .0400 .2950 tV 14 .0714 •0457 .3460 ^ 12 •0833 •0534 •3933 t\ 12 •0833…Machine-shop practice
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
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