What Size Drill Bit for 10 Screw? Here Are the Details
2021-5-5 · For instance, you will need a #21 drill bit for your pilot hole if you have type A, AB, and B self-tapping screws and type 25 thread-cutting screws. The next category of tools we shall look at is #10 hammer drive or U-drive screws, whose ideal drill bit size for the pilot hole would be #20.
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