บานพับซ่อนด้านใน 20.0 mm 40.0 mm เหล็กกล้าชุบสังกะสี

Concealed Hinges is screw-mounted. The hinge provides a smooth surface for the exterior part of the door panel. Suitable for internally mounted doors and entry ways. Ideal for cabinet and furniture making applications. Allows adjustment for variable drilling and fitting styles.