John the Sams club stuff is pretty tame compared to Easy Off. Anyway, you really should be using rubber gloves.
I guess they probably are those Star washer nuts. But if you use a battery powered drill driver with a 7/16" socket and keep rocking the nut back and forth while unscrewing, it should come out. Keep as much finger pressure on the bolt head while doing so as you can. Once you get a bolt out, you will see the underside of the head has ridges that help to keep it from spinning but only if there pressure on the head.
I put these bolts in to replace those when I do my rehabs.
www.boltdepot.com
www.boltdepot.com
THey look pretty cool on the end caps compared to the factory bolts. And no problem removing them later on.
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