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Old 10-12-2021, 05:22 PM
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Draker Draker is offline
Join Date: Jun 2016
Location: Livermore, CA
Posts: 576

It maybe goes without saying but when countersinking without a cage or drill stop, be careful to not countersink too deep. Even when doing it by hand, a very sharp bit can suddenly dig a countersink deeper than you expect. Ask me how I know.
Ryan Drake
Livermore, CA
Donated 12/31/2020
RV-7A (N12VD): Finishing final tasks for engine-start and airworthiness!
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