Abstract: A rack having four vertical posts arranged at the corners of a rectangle, and having at least one beam extending horizontally between the two posts at each of the long sides of the rectangle. A connector is provided at each end of the beam for connecting the beam at each end thereof to the respective posts. The connector comprises a metal plate bent to have first and second legs at right angles to one another and a bulged-out juncture between the legs.A method for making the connector is further disclosed.