They are wood bits, you should pre-drill anything that isn't wood first. Hopefully you can find something better, but if it has the sharp tapered tip it's only for wood.
On Mon, Aug 9, 2021 at 3:06 PM Nate Burke <[email protected]> wrote: > We've been getting the installer drill bits at the local big box store. > The 1/4"x18" bit with the hole in the flute to hook the wire on and pull > back. They are cheap, and have the lifespan to show. Drill a couple > aluminum siding houses and it's time for a new one. I'm looking to get > them higher quality ones. They seem hard to locate at other > distributors. Am I calling them the wrong thing? I was searching for > either 'bell hanger bit' or 'installer bit' I found some on Amazon, but > they are probably about the same quality as the bigbox ones. > > I found one at Grainer that is backordered several weeks, and I haven't > found one at McMaster yet. Am I calling them the wrong thing? > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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