Problem solving hot rod chassis parts for 46 years.
Old Products: threaded stuff
When we ran a full service chassis fab/turn-key hot rod shop a number of years ago, it was always useful to have threaded things around to weld into the frame for some kind of mount, etc.
Here’s a list of all our threaded things for your reference:
The center of the notch would be 3" above the frame and 2-3/4" out from the frame. Usually used in pairs with a 3/4" diameter tube (see #10304) welded in the notch.