I am building a Lanai screen using Aluminum frames from HD. I have
been trying to use tapcons to screw in the frame into the hollow
Problem is when I try to drive the tapcon into the predrilled hole it
just sits there rotating and doesn't go in.
I have tried drill bits of size 5/32, 1/8 and have varied the depth to
see if that makes a difference. Nothing seems to work - the screw goes
in about 1/2 inch but then keeps rotating there without going in
further. If I apply pressure it does go in. But it comes off easily
when I tug it to see if it went in straight.
Can any experts point me in the right direction? What am I doing
By the way I was able to screw in two screws properly. But that was
it. Also I am NOT using a hammer drill.
Thanks in advance for you help!
You do NOT need any special tool. You do need to drill the
correct size lead hole. You probably do need a power driver, I
don't know that you can put them in by hand.
1/4" diameter Tapcons require a 3/16 lead hole drilled at least as
deep as the Tapcon or more. Apply plenty of pressure to insert
the Tapcon, it should screw in. You say they just spin, if you
have the correct lead hole you need to push harder - They are
never going to screw in like a wood screw and will need to be
pushed and turned the entire way. You mention hollow bricks, do
you mean cement block? There are alternate fasteners that may
work better for you. Toggles can work quite well in block, epoxy
anchors with sleeves, Rawl plugs, cinch anchors, etc.
Keep the whole world singing . . . .
DanG (remove the sevens)
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