Mechanical drawing for industrial and high schools (1915)
Leeds, Charles Carley, 1870- · New York, D. Van Nostrand company · leaf 42
uch shape that we can illustrate them to the best advantage bybreaking out part of the object. The main advantage gained as a rule is that this permits us todraw the object to a large scale on a smaller sheet of paper than wewould otherwise be enabled to do. It is always understood that the portion… … U.S.Std.for Nuts &■ Bolt Heads Dia. Across Flats = i^X Bolt dia. + £ Corners (Hex.) = Dia. Across Flats X1.156h - ii (5a.)= .< ■■ X 1.4-14 Height of Nut = Bolt dia. Bolt Head=_s of Dia. Across Flats Not U.SjStd.Radius R = Bolt dia.« R= I^XBolt dia. -C 5: ¥■ Bolt Length 4T Dia. 1
Mechanical drawing
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