Notes on practical mechanical drawing, written for the use of the students in general engineering drawing in the University of Illinois (1907)
Wilson, Victor Tyson, 1864- [from old catalog] · State College, Pa., The author · leaf 128
fiat. Innuts, both hexagonal faces are sometimes chamfered. Anut that is to tighten down on a fiat surface will work betterinto place without cutting the material, if its corners arerounded. To get the chamfer, the bolt is put in the lathe,and the cutting tool set at 30° to the axis of the bolt,… … Fig. 34 ^p^ y \^ ^ ¥
Mechanical drawing
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