How to Install Concealed Hinges on Kitchen Cabinets. Concealed hinges are not difficult to install, but require attention to detail. In contrast to normal one-piece hinges that attach to the side of the door and out of the cabinet frame to install two-piece concealed hinges on the back of the door and in the cabinet frame. An extension of the hinge wraps over the cabinet frame, and connects the two parts of the hinge together. A "Forstner bit" (available at hardware and home improvement) is used to a flat, shallow hole, 1 1/4 inches in diameter to drill, to secure the hinge to the door.
Instructions How to Build and Install Kitchen Cabinets
1 Insert the cabinet door down and measuring 3 cm from the top of the door and three inches from the bottom of the door. Mark this hinge locations on the door. Line-up of the drill bit about the hinge marks, wherein the outer edge of the hole will be at least one-quarter inch distance from the outer vertical edge of the door. How to Build and Install Kitchen Cabinets
2 Use a Forstner drill the hole does not go all the way through to ensure the door. Drill hole 1 1/4 inches in diameter on each hinge on the door. Let so hard not press the drill that you force it through the front door.
3 Insert the hinges into the two 1 1/4-inch holes and fix them at the door with the screws provided. Align the door over the opening, wrap the extended part of the hinge on the three-quarter-inch frame of the cabinet and attach the hinge to the frame with two 5 x 5/8-inch screws. Use a power screwdriver where space permits.
4 Adjust the hinges and the door does not close properly. Loosen the hinge screws, adjust the fixed position of the door and tighten the screws.