Proportioning valve bolt
One way would be to weld the hole shut, drill and tap. You could also drill a hold through the frame and use a long bolt with a nut on the backside. Or you could use a threaded insert like the one below.
One way would be to weld the hole shut, drill and tap. You could also drill a hold through the frame and use a long bolt with a nut on the backside. Or you could use a threaded insert like the one below.
