Mechanical drawing; a treatise on the drawing of mechanical and machine details (1920)
Jones, Franklin Day, 1879-1967 · New York, The Industrial press; [etc., etc.] · leaf 229
view of the bolt shown at C is produced by usingthe 45-degree triangle, drawing the lines tangent to the circlein the position shown. The method of projecting and pro-portioning the head and the nut D is clearly shown. Rounded Hexagon Bolts. — Rounded head bolts such asshown in Fig. 13 are… … Machinery Fig. 13. Bolts having Rounded Heads for Use on Some Classes of Finished Work the thickness of the nut is made equal to the diameter of thebolt, as indicated. All the radii marked r are found by trial.S. A. E. Standard Screws and Nuts. — The standard screwthreads adopted by the Society of…
Mechanical drawing
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