Keys can break off, bend, or crack while the inside door locks for a wide range of reasons. These vary from metal degradation in the lock cylinder mechanism or the key itself to warping, swelling, and shrinking due to temperature fluctuations, improperly installed lock, and misaligned door frames. In this blog entry, the Chicago broken key extraction experts here at Chicago Locksmiths will detail the main reasons that keys can break in door locks.
