There are many types of external opening handwheel, and the length and size of different types will be different. Let's take a look at it for you.

1. European lock cylinder:
The external opening handwheel manufacturer tells you that this type of lock cylinder is widely used, and is widely used in various door locks, fire locks and other lock products. The size of the lock cylinder can be customized according to the thickness of the door, and the length of the lock cylinder is 40mm-160mm.
2. American thread lock cylinder
The manufacturer of external opening handwheel tells you that this type of lock cylinder is used for high-grade door locks, with good quality and high safety. Use less.
3. Fire lock cylinder
The fireproof lock cylinder is used in fireproof door locks, which can withstand high temperature and is a special door lock cylinder enforced by the state. The external opening handwheel manufacturer tells you that the general specification is 30mmX32mm.
The length and size of the external opening handwheel is introduced here, I hope it can help you.