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 69
Fig. 17. — Measuring Brown & Sharpe Worm Threads. Table of Wire Sizes for Measuring B. & S. 29° Worm Threads Threads per Inch Pitch Diam. of Wire h 2. 1.0298 f 1-750 0.9010 f 1.500 0.7723 1 1.250 0.6436 I I.O 0.5149 ih .6666 0.3432 2 •5 0.2574 2| A 0.2060 3, •Z333 O.1716 3i .2857 O.1471 4… … of Threads per Tnch.= Linear Pitch S — .665 PB=.69P Pitch = Depth of Thread No. of Threads per inch.6866 Width of Top of ThreadWidth of Space at BottomClearance at Bottom of ThreadWidth of Space at Top of Thread =Thickness at Root of Thread = No. of Threads per inch -335 No. of Threads per inch.310…
Machine-shop practice
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
