The crystal door knobs are functional and decorative pieces. You usually do not usually devote much attention to the details of the doorknobs until you need to replace one. One of the first steps in the process of installing a door knob is to perform some basic measurements that will help you select the appropriate size of the knob. This task may be simple, but very important in terms of choosing and installing the correct knob for your door.
12 Photos Gallery of: How to Measure the Size for Crystal Door Knobs
The first measurement is needed in order to determine the correct size crystal door knobs is the diameter of the hole where the knob is. The diameter is the distance in a straight line through the hole from one side to the other. Place a tape measure on one side of the hole and measured directly through the center to find the diameter in inches or centimeters.
Some common industry standards are applied to doorknobs. Most door knobs have a diameter between 1 7/8 (4.7 cm) and 2 1/8 (5.4 cm) inches. Normal adjustment measures for rear crystal door knobs ranging from 2 3/8 (6 cm) and 2 3/4 (7 cm) inches. Regarding the closing pistons, the three common sizes for this part of the door handle are 7/8 (2.2 cm), 1 (2.5 cm) and 1 1/8 (2.8 cm) inches.