Here ya go...
http://www.napaonline.com/Catalog/CatalogItemDetail.aspx/Auxiliary-Lighter-Power-Outlet-1/_/R-BK_7821773_0361083489
Part Number: BK 7821773
Product Line: Balkamp
Attributes:
# Auxiliary Receptacles : 1
Cord Length : 12" Black & White
Power Source : Car Battery
Working...
I think, with the correct bolt and nut, and a very solid weld, it could hold up quite well.
I would use a fine thread bolt (could go larger than 9/16", say 5/8")
I think about the stress applied to the torsion bar bolts on IFS Toyotas and think if those threads can hold up, then this should...
What if you drilled a 5/8' hole in the top of the reciever, welded a 9/16" nut over it and used a 9/16" short bolt to tighten down onto the hitch after it is pinned into the reciever?
Something lke this: