Essentials of drafting; a text and problem book for apprentice, trade and evening technical schools (1918)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 72
n A7^. /32 132. The castle nut illustrated forms a good method. Lockwashers consisting of a piece of sheet metal are effective. Onecorner is turned down, and another corner is turned up, asillustrated. The following table gives the dimensions for U. S. Standardbolt heads and nuts. BOLTS AND SCREWS… … d w c d T Cs Diameterof Bolt Flats or ShortDiameter Cornersor LongDiameter Thicknessof Nut Thickness ofBolt Head Cornersor LongDiameter V4 V2 ^764 V4 V4 2V32 Vl6 /32 /16 V16 1V64 =V32 Vs V16 ^V64 Vs ^732 ^V32 Vl6 2V32 2V32 V16 =^V64 1V64 V2 Vs 1V64 V2 V16 IV4 Vie ^V32 IVs V16 ^64 IVs Vs IV16 1^64…
Mechanical drawing
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