There are several aircraft designs out there that do just that. Steel tube stock of the correct inside diameter is cut slightly shorter than the dimension of the structure through which the bolt will pass (to allow for slight wood crushing).
Ed > Hi Joe, > I wonder, could a guy drill these out and epoxie in some steel or > aluminum sleeves to run the bolts through? > Russ > > > > > > Guys, > > For the guys with nose gear I found a item that I need to check > > on more often. The 4 an-3 bolts that go thru the Deihl nose gear bracket > > where it attaches to the firewall on mine have loosened up and slightly > > elongated the holes in the wood.