Drilling a square hole

[bigtiller]

I would probably drill the hole 1/32 oversized, heat it up with the torch and press the plow bolt in by torquing down the nut.

 

[Tractor Seabee]

I would probably drill the hole 1/32 oversized, heat it up with the torch and press the plow bolt in by torquing down the nut.

That is the way I do for things like carriage and plow bolts. I even smack with a big hammer if I can get adequate back-up.

Ron