Specifying the correct cylinder length is important not only for aesthetic appearance, but also security.
It isessential to ensure that the cylinder is as flush with the surrounding hardware as possible to reduce theopportunity for the cylinder to be removed. A flush fitted cylinder will also reduce movement over time andincrease the longevity of the product.
When choosing a cylinder length there are three factors to consider:
- Door thickness
- Hardware thickness (e.g. cylinder roses)
- Lock position.
In most applications, the mortice lock will be fitted on the door centreline. Therefore, a standard equallength cylinder can be used. However, if the lock fitted off centre then an offset cylinder needs to bespecified.
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