NASA NTRS · 19730000324
Universal drill jig
Abstract
Inexpensive jig can steadily guide drill at selected angles to flat plane from any direction. Jig uses two mutually perpendicular bevel bodies, each corresponding to interval settings. Drill block has spline on one side to engage groove on bevel body at selected angle. Angles are set by loosening wing nuts, tilting drill block to desired angle until spline engages groove, and tightening nuts.
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Stringer, E. J.. 1973-10-01. Universal drill jig. https://ntrs.nasa.gov/citations/19730000324
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