I am building a large table and want to reinforce the legs/aprons with metal
corner braces (there isn't room for wood).
They all show attaching to the legs with hanger bolts. That seems like a
lot of trouble; why not just use screws? I will never (hopefully) be taking
it apart, which seems to be the only reason for the hanger bolts.
But, it is my first big table and maybe there is a good reason I am not
Well, if it's well built, it may be around longer than you and somebody
else might want to move it even if you don't... :)
It's the prime reason but the other note that there's some take up
provided for long term is another good reason to do it.
Like most practices that have evolved over time, there's a reason for
it and it's usually best to follow common practice unless one knows of
or has a specific reason to deviate.
Why would hanger bolts make it any easier to remove the legs for moving
Tables that I have seen still have the aprons mortised into the legs;
all the hanger bolt does is fasten the corner brace to reinforce the
Hanger bolts *are* big fat wood screws, but with machine threads on the
exposed end, so you can secure the corner brace with a big fat washer
and nut instead of having to dog a screw head all the way down. They're
just easier to deal with. As far as *never (hopefully)* having to take
it apart: If it turns out you *do* have to take it apart, hanger bolts
make it trivial.
Tables are big and heavy. Imagine the stress placed on the joints when
it is moved from place to place, or loaded with equally heavy objects,
and even climbed upon. Wood screw threads will gradually tear out the
wood, given enough time. With a bolt-washer-nut combination, a little
wearing away of wood under the washer is no problem to fix; just
tighten the nut some more.
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