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1:40 AM
I have wood router bits with 1/4" shafts, and a hand-held electric router to suit.
But the bits are spinning in the chuck and dropping down during use, gouging the work.
Should I file a flat/divot on each shaft so the grub screw has somewhere to lock into ? Or something else ?
I suspect a table router would be far superior, but this is what I have.

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