lock outs

[us111]

HI all..got a 76 k10 short bed stepside .203 converted t-case.
bought new set of superwinch lockouts last summer,while i was at
work daughters b-friend decided to install them for me without
anti-seeze or anything. trying to remove them naturally all
allen heads rounded out.does anyone know where to purchase
just the allen head mounting bolts?? have looked everywhere,no
luck...thanks for any help..

side note:be SURE daughters b-friend knows what the %$&& he
is doing..