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 317
k-^Zga Machine Screws. American Screw Company Flat Head Round Head No. A B C E F B C E F 2 .0842 .1631 •0454 .030 .0151 •1544 .0672 .030 .0403 3 .0973 .1894 •0530 .032 .0177 .1786 .0746 .032 .0448 4 .1105 .2158 ,0605 •034 .0202 .2028 .0820 .034 .0492 5 .1236 .2421 .0681 .036 .0227 .2270 .0894 .036…
Machine-shop practice
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.