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 67
/^/ff. //3 Fig. 114 r/g.ll5 the thread at A to the under side of the head B must be lessthan the thickness of the two flanges. Since the bolt head andnut are standard only three dimensions are necessary whenspecifying a bolt. These are, diameter, length from under sideof head to end of bolt, and…
Mechanical drawing
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