I'ved used plain hex head cap screws on all of my rear bumpers for some
time. I can do this because I do NOT use nylon lock nuts. I just get
the hex nuts tight enough to snug up the bumper.
Between the duct tape and holding/pinching the bolts through the seat
cover I haven't had a problem.
--
gbarnes -
www.gb4mfg.com
George C. Barnes IV
GB4 Manufacturing, L.L.C.
http://www.gb4mfg.com/
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