Fry, Horace Pugh. [from old catalog] · Philadelphia · leaf 71
POINT 1 ,5 100 .3 707 1/3 .3850 .2 780 • 2 .2eOO . 1853 3 .1 7G7 . 1235 4 .1350 .0327 5 .1 100 .0741 6 .0933 .0GI8 7 .0814 .0529 8 .0725 .0463 3 .0<i55 .04I3 lO .OhOO .037 1 ^= DEPTH OF THREAD 2XN0.THDS.PER1N I 4.01 NO.OF THDSPERIN -,0Z .3yo7 f=WmHAT P0INT=-^^^^ THDS.PER .N. TO DRAW THE ACME… … Plate P. 69 PROPORTIONS FOR U.S. STANDARD SCREW THREADS AND NUTS HOOPES AND TOWNSENDS STANDARD S\ZES FOR BOL.T HEADS DIAM OF BOLT D BOLT THREADS NUTS HEADS 1 THDS. PEH INCH N DIAM. ATROOT AREA ATROOT A THICKHEX.oa SQ. T HEX.LONGDIAM. C SQ.\_0^4GDIAM. c HEX.SQ.SHORTDIAM. F HEX.OK SQ. COUNTERSUMK…
Mechanical drawing
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