The design and manufacture of the twist drill is described with respect to adapting to industrial progress. The extension of drill life, proper location of cutting edges, surface treatment and drill design, selection of the proper drill for the job, and the effect of vibrations on drill life are some of the subject discussed by the author.
Drills and Changing Times
Sae Technical Papers
Mid-Year Meeting ; 1967
1967-02-01
Conference paper
English
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