If you are referring to this spot, yup I have used them as a spot for jack stands but now I use it as my lift points with my jack bar.I put mine where the lower control arm meets the sub frame. This keeps the control arm hanging low for easier access to the caliper.
FYI, brake-pad change on this car is one of the easiest I've ever done. Not like Hondas and some of those GM cars from the 90's, where you needed a 1/2 lb of axle grease and an array of various sized hammers to gently coax the pads into the calipers.
I have two jacks: a cheaper one that has lost its rubber pad, and a much better one with a rubber lift pad like what you were hoping for buy for your jack. However, I use this same idea on both. I don't want to cut up the rubber lift pad on my good jack, as lifting any car with it can and will cut up that rubber pad. It still looks new because I use a hockey puck to do my lifts. I ordered it online from Dick's Sporting Goods for 2 bucks.
Kind of, just look up pinch weld jack adapter. I have not seen one that can directly screw onto the jack though except maybe this one. :dunno:
I tried many methods to raise and support the Challenger with floor jack(s). My ideas all had disadvantages, as a last resort I decided to try following instructions in the manual as stated by steve37887 and jack on the pinch weld points (using a home made hockey puck adapter similar to the one garyahouse made) and place the jack stands at the points at the points depicted in Jack44's photos. Fortunately I have 2 floor jacks which makes it easy to lift the front place the jack stands then lift the rear and place the jack stands. If jacking the rear to put on drag radials I will jack on the rear end cross member where the lower arms attach.Right behind those locations in the picture above there is a small triangle on the frame rail. This is the factory intended place to put a jack stand. I use the pinch weld to lift by and put the stand there. Works well.