I want to install some insulators on my vinyl fence posts and need to
drill some holes. How do I prevent the drill bit from skittering
around when I first start to drill? In a wood post I would make a
dimple with a hammer and nail, but I don't think that would work with
Use a bit with the small points they don't skitter at all just start off
slow then drill. Should go thru like butter I have the Dewalt set not cheap
but high quality
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Get some "brad point bits" which have a center spike, and cutters around
the outside. They are used in wood working, and drill a flat bottomed
hole (almost), with no taper.
You should be able to get a small set (like 10 bits) for like $10 at the
Otherwise, punch or burn a small dimple, like what is done with metal. A
pin and a lighter comes to mind, it should be enough, heat the pin and
stick it where you want the hole, pull out, drill hole.
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