So the KSA-2 housing is 10mm thick.  Looks like these connectors should work. 

SSQ-105-02-T-D

https://www.digikey.com/product-detail/en/samtec-inc/SSQ-105-02-T-D/SAM1193-05-ND/1111259

The default KSA2 board is 0.8mm thick, but it looks like once the heat stakes are removed it could accomodate 1.2mm or maybe even 1.6mm thick boards.