The Van's style #8 two-lug nutplates currently shipping aren't wholly interchangeable with the old style, though Van's said they are in a 6-2009 RVator blurb. They are interchange in applications that don't require dimpling the lugs for flush rivets, but dimpled applications have their issues.
Van's now are a rectangular center cross-section tapering around the lug holes in sort of an elongated diamond shape. The style we've seen forever are a dog-bone shape. The wider cross section of the lug to the center of the hole, plus the material being .042 instead of .032 thick, causes the dimple tool to push away from center and form an elongated hole in the lug, and it takes obviously more force to form the dimple. Setting aside the extra strain on the dimple die, I foresee difficulty setting the second rivet after the first shifts the nutplate over its center, and, or course, greater difficulty keeping the thread concentric with the screw hole.
You may wish to use another source for nutplates requiring dimples.
John Siebold
Van's now are a rectangular center cross-section tapering around the lug holes in sort of an elongated diamond shape. The style we've seen forever are a dog-bone shape. The wider cross section of the lug to the center of the hole, plus the material being .042 instead of .032 thick, causes the dimple tool to push away from center and form an elongated hole in the lug, and it takes obviously more force to form the dimple. Setting aside the extra strain on the dimple die, I foresee difficulty setting the second rivet after the first shifts the nutplate over its center, and, or course, greater difficulty keeping the thread concentric with the screw hole.
You may wish to use another source for nutplates requiring dimples.
John Siebold