On my 57-3100 Short bed there are 8 large bolts that hold the bed on. The
large washers with the offset square hole that these bolts go through are
supposed to be recessed or countersunk about one-eighth inch so they are
flush with the bed wood. When the nuts on the sills or crossmembers are
tightened the offset and countersinking prevents the bolts from turning ! ! I
used a router to cut my own and they look great.
Good luck.
Jim H
57-3100-SB
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