NASA NTRS · 19760000248
Rotary broaches
Abstract
Tool is used for counterboring or backspot facing recesses for boltheads or nuts in difficult-to-reach locations, such as near webs, bosses, or flanges. Two versions of tool have been designed, one for roughing out and another for finishing.
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Libertone, C.. 1976-08-01. Rotary broaches. https://ntrs.nasa.gov/citations/19760000248
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