Set of 4 flat door hinges, folding door hinges, alloy folding hinges for sewing machines

General Description: This set of four flat door hinges is made of high-quality zinc alloy, offering durability and corrosion resistance. These folding hinges are ideal for use in various furniture and equipment, allowing for smooth and quiet movement thanks to their roller bearings. With a rounded-edge design, they fit perfectly in tight spaces, making them both practical and aesthetically pleasing. Technical Specifications: Material: Zinc Alloy; Dimensions of each hinge: 78 x 29 mm (3.07 x 1.14 inches); Mounting hole diameter: 5 mm (0.19 inches); Opening angle: 180 degrees; Contents: 4 hinges and 24 screws; Compatibility and Accessories: Suitable for: desktops, sewing machines, windows, doors, folding chairs, cabinets, etc. Installation: To install the hinges, determine the desired position, then screw the hinges into place. Ensure the tabletop can be pulled open and closed slowly for optimal operation. Use: These hinges are designed to allow easy opening and closing of doors and folding surfaces, while maintaining minimal gaps between the doors when closed, ideal for applications requiring a compact design.