Machine drawing; a text and problem book for technical students and draftsmen (1921)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 96
I II 1 Fig. 160. Flange Outlines. twice the bolt diameter to the distance between bolt centers. The out-line is often obtained as at I where the radius is equal to the diameterof the hole, with center as shown. A better design is to use a radiusof one and one half the bolt hole diameter as at II.…
Machinery
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