The multi-bay hardware kit with (6) 1/4-20 bolts and (6) lock nuts. Special serrated head bolts and lock nuts to prevent loosening. It fits in 0.375" square, tapped or round hole 19" EIA equipment rails.
Bolts 2 frames together
No field modification required to re-locate between rail styles
Work on rail thicknesses from 0.074" (typical server rack) - 0.187" (typical open 2-post rack)
Rear edge ridges on panel help prevent air gaps between panels