When mounting to a panel made of plastic or fiberglass, it is recommended that you re-enforce the material with a backing plate. Vibration, together with the weight of the mounted device, will weaken the surface and often cause it to crack and fail. This steel plate is pre-drilled with threaded holes in AMPS patterns and includes attachment nuts & bolts.
- 3” x 3” steel backer plate with 10-24 threaded holes.
- (QTY. 1), 3” x 3” steel backer plate with 8 x 10-24 tapped holes, AMPS and 1.5” x 2” hole patterns
- (QTY. 4), 10-24 x 1” pan head, phillips drive screws with thread locker applied
- (QTY. 4), 10-24 black zinc plated ny-lock nuts