Door Hinges- Steel Construction- 4" x 4" With either a 1/4" or 5/8" Radius
Residential Door Hinges- 4" x 4" with either a 1/4" or 5/8" Radius
One pair (2) --Residential Weight Hinges with either a 1/4" or 5/8" Radius.
Hinges are defined as a jointed or flexible device that allows the turning or pivoting of a part, such as a door, on a stationary frame. A mechanical device that connects two solid objects, allowing a relative motion between the. Two plates joined together by a pin and attached to a door and its frame where by a door is supported and is enabled to swing or move. Hinges may be made of flexible material or of moving components.
A 1/4" radius hinge is approximately the same radius as a dime.
A 5/8" radius hinge is approximately the same radius as a quarter.
Most homes have 3 1/2" door hinges with 5/8" round corners on the interior doors and 4" hinges on the exterior doors.