What length screw for L-bracket with V-slot and T-nut?

I'm connecting two extrusions of V-slot with an L-bracket, but I need to know what length M5 screws are needed. My measurements in Solidworks suggest I need a 10mm screw, but I just wanted to confirm.

Edit: I just saw the note on the L-bracket page on the parts store. Should be 8mm.