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. It meets your aesthetic needs and adds 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.