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3 -Piece Assorted Assorted High-speed steel Countersink Twist Drill Bit Set

DEWALT 3 -Piece Assorted Assorted High-speed steel Countersink Twist Drill Bit Set

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Can I replace the center drill if I grind a flat on a standard drill bit?


#6 screw needs 3/32 pilot hole like Item 71093 DW1206 G #8 needs 7/64 like Item 689755 DWA1207 #10 needs 9/64 like Item 75517 DW1109

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I usually just stick a regular but in and don’t bother making a flat. Works fine for me.

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No, we do not recommend doing this.

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