PLENAFORM®/PLENAFILL® Screw Rivets are used to join PLENAFORM® baffles together to create your under-floor partition.  Also used for PLENAFILL® mounting, round holes (non-threaded - IBM Specific) EIA 310 Mounting Rails.
 
Firmly depress screw head with thumb pressure till it is flush with washer head for a tight system assembly. Screws rivets may be easily removed with the PF1114 screwdriver, sold separately.