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6

I would use a T-nut on the back. If you are using softwood, you can usually pull the nut flush by tightening hard. With hardwood this probably won't work, instead, counterbore with a Forstner bit just enough so the nut is flush. With this method, the wood will be almost full thickness and you can re-tighten from the front if necessary. The T-Nuts that you ...


4

If the TV weighs less than or equal to what the mount is rated for, it should be fine. However. You could upgrade to a sturdier mount rated for yet more weight, (increasing the safety factor) and perhaps of a more robust design (i.e., mounts with two sets of arms holding the TV, rather than a single arm) if it would provide "worried parent peace of mind&...


3

Thanks for the help and suggestions. I ended up using carriage bolts. They were readily available. I will use the suggested T-nuts on the next one. I slightly counterbored the back-side - first with a spade bit - which was way too messy. I then bought a forstner bit, and cleaned it up. It would have been much nicer if I started with the forstner. I ...


2

To answer the screw portion of your question: A 1/2" screw in a 3/4" maple ledger can withstand a withdrawal force of 216 lbs. See below for the calculation. With a 1:1 cantilever bracket, that same number would apply to the vertical load of the weights. You need to budget for dynamic forces too, as you'll likely apply perhaps 4x the force when ...


1

A bit of lateral thinking: Leave the factory inserts at the end of the tube alone. Cut a section out of the center of the tube. Purchase a set of matching threaded inserts and a short length of all-thread with matching threads. Insert a threaded insert into each of the newly cut ends, holding them in place with epoxy. Screw together to make a shorter tube ...


1

Cut the rod to the desired length. Then get a rotary tool like a Dremel with a cutoff disk. Cut the tubing that holds the insert lengthwise down to the surface of the insert. Make three or four cuts. Then pry the tubing apart with a slotted screwdriver, freeing up the insert. Slightly chamfer the inside edge of the shortened length of tubing and tap/pound ...


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