Ldub, not a bad idea at all. (not the thru the top one) Not sure if you looked at the link I sent for Fastenal. Right now they are on sale for 50 cents a piece. But, it's a 10/24, not 1/4 x 24.
...no, I didn't check the link first...
That looks like it would work, & I would GUESS that tensile strength should be adequate...
Though I have no idea what tensile strength is for 10-24 vs 1/4"-24...