A double-action spring hinge for door panels and the like comprising - a central body to which two wings are rotatably connected on opposite sides, wherein one wing of said two wings is destined for being fixed to an upright of a door and the other wing to a panel of a door; - a pair of tubular elements each of which contains a helical spring and receives end caps , which are positioned at opposite ends of each tubular element and receive opposite ends of each spring ; - sliding cylindrical bushes provided with an end of a flange which extends outwardly, positioned externally to each tubular element , wherein said sliding bushes are arranged in pairs with said flanges head to head; - said sliding bushes being formed in an anti-friction engineering polymer, - wherein said central body comprises a substantially rectangular intermediate portion from which two pairs of arms (18, 19 and 18', 19') extend on opposite sides and are curved to form cylindrical slots which receive said tubular element , which define a pin of the hinge ; - wherein said two wings have a substantially rectangular portion and have each two arms (22, 23 and 22', 23' respectively) on the same side of the rectangular portion , wherein said two arms (22, 23 and 22', 23') of the two wings are curved to form cylindrical slots and are formed spaced apart from each other in a position such as to allow one of said two arms of said each two wings to be arranged between said pairs of arms (18, 19 and 18', 19' respectively) of the central body ; - wherein said pairs of bushes are positioned between consecutive aligned cylindrical slots of said two arms (18, 22, 19 and 23) of one side of the hinge and aligned consecutive cylindrical slots of said two arms (18', 22', 19' and 23') respectively, of another side of the hinge ; - said central body and said two wings being made of cold-pressed steel, - wherein a fixing element is provided between said end caps and said central bodies and two wings . - a central body to which two wings are rotatably connected on opposite sides, wherein one wing of said two wings is destined for being fixed to an upright of a door and the other wing to a panel of a door; - a pair of tubular elements each of which contains a helical spring and receives end caps , which are positioned at opposite ends of each tubular element and receive opposite ends of each spring ; - sliding cylindrical bushes provided with an end of a flange which extends outwardly, positioned externally to each tubular element , wherein said sliding bushes are arranged in pairs with said flanges head to head; - said sliding bushes being formed in an anti-friction engineering polymer, - wherein said central body comprises a substantially rectangular intermediate portion from which two pairs of arms (18, 19 and 18', 19') extend on opposite sides and are curved to form cylindrical slots which receive said tubular element , which define a pin of the hinge ; - wherein said two wings have a substantially rectangular portion and have each two arms (22, 23 and 22', 23' respectively) on the same side of the rectangular portion , wherein said two arms (22, 23 and 22', 23') of the two wings are curved to form cylindrical slots and are formed spaced apart from each other in a position such as to allow one of said two arms of said each two wings to be arranged between said pairs of arms (18, 19 and 18', 19' respectively) of the central body ; - wherein said pairs of bushes are positioned between consecutive aligned cylindrical slots of said two arms (18, 22, 19 and 23) of one side of the hinge and aligned consecutive cylindrical slots of said two arms (18', 22', 19' and 23') respectively, of another side of the hinge ; - said central body and said two wings being made of cold-pressed steel, - wherein a fixing element is provided between said end caps and said central bodies and two wings . <EOS>