Hi the 40 40 series 5 has a double 6mm slot or single? thanks
We confirm that section 4040 series 5 has two 6mm slots on each side if you select the following combination: https://www.dhm-online.com/series-5-slots-6/3849-235265-series-5-slots-6mm-section-structural-profiles-in-aluminum-extruded-anodized.html#/477-slots-slots_on_4_lots/486-series_structural_profile_slots-6mm-section_5-40x40