Scaffold plank

A scaffold plank, comprising a horizontal metal walkway having two end edges spaced from one another in a first direction, and two side edges spaced from one another in a second direction which is transverse to said first direction, said walkway having a plurality of regulary distributed perforations including some perforations bounded by upwardly extending collars and other perforations bounded by downwardly extending collars;

• two side flange members each extending along a respective one of said side edges of said metal walkway in said first direction and formed by a side portion of the latter;
• two end profiled members formed as four-cornered tubular members each located beneath said metal walkway and extending along a respective one of said end edges over the entire width thereof in said second direction, each of said profiled members being connected with said metal walkway and with said side flange members;
• and means for suspending the plank, fixedly mounted on each of said end profiled members, said suspending means including a hook-shaped member provided on a respective one of said tubular members and extending over the entire length thereof in said second direction, each of said hook-shaped members being hollow and having a lower hook-shaped wall and an upper wall which together bound an inner hollow extending over the entire length of said hook-shaped member in said second direction, said upper wall having an upper surface forming an extension of an upper surface of said walkway in said first direction.