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Principle and application of Countersink Drill Bit in cross section
This video was taken in cross-section for easy understanding of the operation and principle of the countersink drill bit.
Especially when drilling diagonally without a Kreg jig, a regular drill bit is not easy to cut through the fibers of wood. However, compared to a normal drill bit, using a countersink drill bit makes it easier to drill because the front is pointed. Thank you.