weird, I just got new hardware too this fall and the nuts had the serrations like my originals? Reverse the direction of the bolt so you can get a socket on the nut end?
Speski OffRoad LTD, Cargo Solutions for Toyota 4x4's http://www.SpeskiOffRoad.com
"80 series, with a fridge"
1976 FJ40, Project with little progress.
2004 Starcraft 10RT