Drill bit for #8 wood screw, wood fence gate design plans - PDF Review

Categories: Woodworking Shelf Plans | Author: admin 04.04.2012

These masonry drill bits feature super-hard carbide tips for blasting through concrete, tile and masonry! From drilling concrete to powering through brickwork, these masonry drill bits are excellent for a variety of heavy duty applications!
I burned up 3 bits trying to run them high speed and that was with a pre-drilled pilot hole.

The tip is bigger than the shaft meaning the drill will wobble while you're drilling the hole. Large bits this size MUST be used at slower speeds and with cutting oil, or you'll burn them up.
Worked great, I was able to get my project done and didn't have to break my budget buying a bunch of expensive bits from other hardware stores.

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