Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 95
EW THREADS. Diameter Threads of Bolt. per Inch, i k 20 sT6 18 H 16 l« U 4 12 ■V 12 Diameterof Bolt. Threadsper Inch. Diameterof Bolt. Threadsper Inch. 665 4i4 Bolts and Nuts. Among the most common pieces of ma.cliinery are bolts and nuts, and the druft.snian has frequent occasionto draw them. Fig.… … 13 TH. Fig. 3,1 Beginning with the head of the bolt, let us study the variousparts of this drawing in detail. The head is a hexagonal prism theend of which has been chamfered. We might expect that twoviews of the head would be necessary to completely define its shape,but the letters HEX printed…
Mechanical engineering
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