This helps distinguish door hardware that can be used in either commercial or residential applications. Commercial grade door hardware can be used for any residential application but has been tested based on several performance benchmarks. Residential door hardware, on the other hand, still of high quality but is designed to withstand everyday normal wear and tear.
Choose between either a Double Cylinder, a Single Cylinder or an electronic deadbolt. A Double Cylinder is keyed on both the inside and outside, while a Single Cylinder is keyed on the outside but a thumb turn on the inside.
|Deadbolt type||Double Cylinder, Single Cylinder|