Flat folding hinge hole, zinc alloy hinge, heavy-duty door hinge, suitable for fixed doors, front doors, bedroom doors, garden doors, 2 pieces 4040 mm black

【High-Quality Materials】: Our door hinges are made of zinc alloy, making them corrosion-resistant and rust-resistant. The brushed surface is smooth and suitable for both indoor and outdoor use. The ball and bearing are tightly connected to dampen the door's movement.【Humanized Design】: The stainless steel hinge features scientifically positioned holes and sturdy shafts, which balance the weight, reduce noise, and ensure smooth operation. It can be easily installed on the door edge.【Size】: 40*40mm. The 4-hole mounting design allows the various components to be connected stably and securely, ensuring a more secure installation on the door and long-lasting use.【Exquisite and Beautiful】: This product has a beautiful appearance and suits a variety of decorating styles. Meet your aesthetic needs and add a touch of sophistication to your home. 【Wide range of applications】: This door hinge is suitable for installation on various types of doors. They are very suitable for fixing bedroom doors, front doors, garden doors, fire doors, furniture doors, toolboxes, etc.