The Danger Of Bottom Pins Used As Top Pins In A Key Lock
We are again finding more and more incorrectly rekeyed lock cylinders, recently \”worked on\” by a 3rd party locksmith or property handyman, using bottom pins as top pins. The calls for service come from customers who have found out that other keys, including the old keys, are working in the lock. This article discusses what we usually discover — the danger of bottom pins used as top pins in a key lock.